Merge pull request #21 from whs-authz-authn-project/feature/access-token-detector

[DOCS] AccessToken findings 생성 시 reporter 추가
Merge branch 'main' into feature/access-token-detector
2025-06-04 22:40:19 +09:00 · 2025-06-04 22:37:39 +09:00 · 2025-06-04 22:36:37 +09:00 · 2025-06-04 22:19:15 +09:00 · 2025-06-04 22:03:47 +09:00 · 2025-06-04 17:04:39 +09:00
10 changed files with 728 additions and 293 deletions
--- a/packages/backend/src/controller/PKCECheck.ts
+++ b/packages/backend/src/controller/PKCECheck.ts
@ -2,138 +2,94 @@ import type { SDK } from "caido:plugin";
 import { Body, RequestSpec, type Request } from "caido:utils";

 export class PKCECheck {
+  // 필요한 PKCE 파라미터 목록
+  private readonly requiredPKCEKeys = ["client_id", "response_type", "code_challenge", "code_challenge_method"];
+
+  // PKCE 취약점 테스트 메인 함수
  async test(sdk: SDK, req: Request): Promise<boolean> {
    const method = req.getMethod();
+    const url = req.getUrl();
+
+    // GET 요청이 아니면 검사하지 않음
    if (method !== "GET") {
      sdk.console.log("[PKCEDowngradeCheck] Not a GET request. Skipping.");
      return false;
    }

-    const query = req.getQuery();
-    const searchParams = new URLSearchParams(query);
-    const requiredKeys = ["client_id", "response_type", "code_challenge", "code_challenge_method"];
+    const searchParams = new URLSearchParams(req.getQuery());

-    if (!requiredKeys.every((key) => searchParams.has(key))) {
+    // 필수 PKCE 파라미터들이 모두 있는지 확인
+    if (!this.requiredPKCEKeys.every(key => searchParams.has(key))) {
      sdk.console.log("[PKCEDowngradeCheck] Required PKCE parameters missing. Skipping.");
      return false;
    }

-    const url = req.getUrl();
+    // OpenID 여부 확인
    const isOpenID = searchParams.get("scope")?.includes("openid") || url.includes("id_token");
    const methodVal = searchParams.get("code_challenge_method");
    const challengeVal = searchParams.get("code_challenge");

+    // 파라미터가 없으면 경고 리포트 생성
    if (!methodVal || !challengeVal) {
-      sdk.console.log("[PKCEDowngradeCheck] code_challenge or method missing. Skipping.");
-      await sdk.findings.create({
-        title: isOpenID
-          ? "[WARN] OpenID Flow PKCE Parameters Missing"
-          : "[WARN] OAuth2 Flow PKCE Parameters Missing",
-        description: `PKCE parameters are missing or incomplete for ${url}. This may indicate a misconfiguration.`,
-        request: req,
-        reporter: "PKCE Checker",
-      });
+      await this.reportFinding(sdk, req, url, isOpenID, "[WARN] PKCE Parameters Missing", "PKCE parameters are missing or incomplete.");
      return false;
    }

+    // code_challenge_method가 'plain'이면 취약할 수 있음
    if (methodVal === "plain") {
-      sdk.console.log("[PKCEDowngradeCheck] code_challenge_method is 'plain'. Skipping.");
-      await sdk.findings.create({
-        title: isOpenID
-          ? "[WARN] OpenID Flow PKCE Method is 'plain'"
-          : "[WARN] OAuth2 Flow PKCE Method is 'plain'",
-        description: `PKCE method is set to 'plain' for ${url}. This may indicate a downgrade vulnerability.`,
-        request: req,
-        reporter: "PKCE Checker",
-      });
+      await this.reportFinding(sdk, req, url, isOpenID, "[WARN] PKCE Method is 'plain'", "PKCE method is set to 'plain'. This may indicate a downgrade vulnerability.");
      return false;
    }

-    // Remove PKCE parameters to simulate a downgraded request
+    // PKCE 관련 파라미터 제거하여 다운그레이드된 URL 생성
    searchParams.delete("code_challenge");
    searchParams.delete("code_challenge_method");
    const downgradedQuery = searchParams.toString();
-    const scheme = req.getUrl().startsWith("https") ? "https" : "http";
+    const scheme = url.startsWith("https") ? "https" : "http";
    const downgradedUrl = `${scheme}://${req.getHost()}:${req.getPort()}${req.getPath()}?${downgradedQuery}`;

-    sdk.console.log(`${req.getHost()} Original URL: ` + url);
-    sdk.console.log(`${req.getHost()} Downgraded URL: ` + downgradedUrl);
+    sdk.console.log(`${req.getHost()} Original URL: ${url}`);
+    sdk.console.log(`${req.getHost()} Downgraded URL: ${downgradedUrl}`);

    try {
-      // Use Caido Replay SDK to replay the original request
-      const spec = new RequestSpec(downgradedUrl);
-      spec.setBody(req.getBody() as Body);
-      for (const [key, value] of Object.entries(req.getHeaders())) {
-        if (Array.isArray(value)) {
-          spec.setHeader(key, value.join(', ')); // or another suitable delimiter
-        } else {
-          spec.setHeader(key, value);
-        }
-      }
-      spec.setHost(req.getHost());
-      spec.setMethod(req.getMethod());
-      spec.setPath(req.getPath());
-      spec.setQuery(downgradedQuery);
-      spec.setTls(req.getTls());
-      spec.setPort(req.getPort());
+      // 원래 요청과 다운그레이드된 요청 각각 전송
+      const downgradedResponse = await this.sendRequest(sdk, req, downgradedUrl, downgradedQuery);
+      const originalResponse = await this.sendRequest(sdk, req, url, req.getQuery());

-      let sendDowngradedRequest = await sdk.requests.send(spec);
+      if (downgradedResponse && originalResponse) {
+        const originalCode = originalResponse.getCode();
+        const downgradedCode = downgradedResponse.getCode();

-      if (sendDowngradedRequest.response) {
-        let domain = spec.getHost();
-        let port = spec.getPort();
-        let path = spec.getPath();
-        let query = spec.getQuery();
-        let id = sendDowngradedRequest.response.getId();
-        let code = sendDowngradedRequest.response.getCode();
-        sdk.console.log(`REQ ${id}: ${domain}:${port}${path}${query} received a status code of ${code}`);
-      }
+        const originalLoc = originalResponse.getHeader("location") || "";
+        const downgradedLoc = downgradedResponse.getHeader("location") || "";

-      if (sendDowngradedRequest.response?.getCode() === 302) {
-        await sdk.findings.create({
-          title: isOpenID
-            ? "[CRITICAL] OpenID Flow PKCE Downgrade Vulnerability"
-            : "[CRITICAL] OAuth2 Flow PKCE Downgrade Vulnerability",
-          description: `The request to ${url} is vulnerable to a PKCE downgrade attack. This may indicate a configuration error.`,
-          request: req,
-          reporter: "PKCE Checker",
-        });
-      }
+        sdk.console.log(`${req.getHost()} Original Status: ${originalCode}`);
+        sdk.console.log(`${req.getHost()} Downgraded Status: ${downgradedCode}`);
+        sdk.console.log(`${req.getHost()} Original Location: ${originalLoc}`);
+        sdk.console.log(`${req.getHost()} Downgraded Location: ${downgradedLoc}`);

-/*
-      sdk.console.log(`${req.getHost()} Original Status: ` + resOriginal.status);
-      sdk.console.log(`${req.getHost()} Downgraded Status: ` + resDowngraded.status);
+        // 두 응답 모두 리디렉션이면서 code= 파라미터 포함 시 취약점 리포트 생성
+        const bothRedirect = [301, 302].includes(originalCode) && [301, 302].includes(downgradedCode);
+        const bothContainCode = originalLoc.includes("code=") && downgradedLoc.includes("code=");

-      sdk.console.log(`${req.getHost()} Original Headers: ` + JSON.stringify(resOriginal.headers));
-      sdk.console.log(`${req.getHost()} Downgraded Headers: ` + JSON.stringify(resDowngraded.headers));
-
-      // Caido Dev Docs 기준으로, 리다이렉트된 URL은 Response 객체의 url 속성에 저장되어 있음
-      const locationOriginal = resOriginal.url ?? "";
-      const locationDowngraded = resDowngraded.url ?? "";
-
-      sdk.console.log(`${req.getHost()} Original Location: ` + locationOriginal);
-      sdk.console.log(`${req.getHost()} Downgraded Location: ` + locationDowngraded);
-
-      const statusEqual = resOriginal.status === resDowngraded.status;
-      const codeInRedirects = locationOriginal.includes("code=") && locationDowngraded.includes("code=");
-
-      if (statusEqual && codeInRedirects) {
+        if (bothRedirect && bothContainCode) {
          const title = isOpenID
-          ? "[CRITICAL] OpenID Flow PKCE Downgraded to Plaintext"
-          : "[CRITICAL] OAuth2 Flow PKCE Downgraded to Plaintext";
+            ? "[CRITICAL] OpenID Flow PKCE Downgrade Vulnerability"
+            : "[CRITICAL] OAuth2 Flow PKCE Downgrade Vulnerability";
          const reference = isOpenID
            ? "https://openid.net/specs/openid-igov-oauth2-1_0-02.html#rfc.section.3.1.7"
            : "https://datatracker.ietf.org/doc/html/rfc7636";

          await sdk.findings.create({
            title,
-          description: `PKCE downgrade detected for ${url}.\n\nDowngraded URL: ${downgradedUrl}\n\nRedirect contained code=.\n\nReference: ${reference}`,
+            description: `PKCE downgrade vulnerability detected!\n\nOriginal URL: ${url}\nDowngraded URL: ${downgradedUrl}\n\nBoth requests returned authorization codes, indicating the server accepts requests without PKCE protection.\n\nReference: ${reference}`,
            request: req,
-          reporter: "",
+            reporter: "PKCE Checker",
          });

          return true;
-      }*/
+        }
+      }
    } catch (err) {
      sdk.console.error(`PKCE downgrade check failed for ${url}: ${String(err)}`);
    }
@ -141,4 +97,41 @@ export class PKCECheck {
    sdk.console.log("[PKCEDowngradeCheck] No PKCE downgrade detected.");
    return false;
  }
+
+  // 요청 전송 도우미 함수
+  private async sendRequest(sdk: SDK, req: Request, url: string, query: string) {
+    const spec = new RequestSpec(url);
+    spec.setMethod(req.getMethod());
+    spec.setPath(req.getPath());
+    spec.setQuery(query);
+    spec.setBody(req.getBody() as Body);
+    spec.setHost(req.getHost());
+    spec.setPort(req.getPort());
+    spec.setTls(req.getTls());
+
+    for (const [key, value] of Object.entries(req.getHeaders())) {
+      spec.setHeader(key, Array.isArray(value) ? value.join(', ') : value);
+    }
+
+    const result = await sdk.requests.send(spec);
+    return result.response ?? null;
+  }
+
+  // 경고 리포트 생성 함수
+  private async reportFinding(
+    sdk: SDK,
+    req: Request,
+    url: string,
+    isOpenID: boolean,
+    title: string,
+    message: string
+  ) {
+    const fullTitle = isOpenID ? `[WARN] OpenID Flow ${title}` : `[WARN] OAuth2 Flow ${title}`;
+    await sdk.findings.create({
+      title: fullTitle,
+      description: `${message} (${url})`,
+      request: req,
+      reporter: "PKCE Checker",
+    });
+  }
 }
--- a/packages/backend/src/controller/accessTokenDetector.ts
+++ b/packages/backend/src/controller/accessTokenDetector.ts
@ -19,7 +19,7 @@ export class AccessTokenLeakController {
        title: result.title,
        description: result.description,
        request,
-        reporter: "",
+        reporter: "AccessTokenLeak",
      });
    }
  }
@ -31,7 +31,7 @@ export class AccessTokenLeakController {
        title: result.title,
        description: result.description,
        request,
-        reporter: "",
+        reporter: "AccessTokenLeak",
      });
    }
  }
@ -132,7 +132,7 @@ export class AccessTokenLeakController {
   * @param text - 검사할 텍스트
   * @returns 토큰 값이 있으면 해당 값, 없으면 null
   */
-private extractTokenFromText(text: string): string | null {
+  private extractTokenFromText(text: string): string | null {
     // 토큰 관련 키워드 리스트
    const tokenKeys = [
      'access_token',
@ -151,7 +151,26 @@ private extractTokenFromText(text: string): string | null {
      'session_token'
    ];

-  // 정규표현식 패턴 리스트 생성
+    const tokenTypeKeys = [
+      'token_type',
+      'tokenType'
+    ];
+
+     // 정규표현식 토큰 타입 유무 패턴 리스트 생성
+    const tokenTypeRegexes: RegExp[] = [];
+    for (const key of tokenTypeKeys) {
+      // JSON 형식: "token_type": "Bearer"
+      tokenTypeRegexes.push(new RegExp(`"${key}"\\s*:\\s*"bearer"`, 'i'));
+      // 일반 key=value 형식: token_type=Bearer
+      tokenTypeRegexes.push(new RegExp(`${key}[=:]\\s*bearer`, 'i'));
+      // 공백 있는 형식: token_type : Bearer
+      tokenTypeRegexes.push(new RegExp(`${key}\\s*:\\s*bearer`, 'i'));
+    }
+
+    // token_type=bearer 형태 중 하나라도 포함되는지 확인
+    const hasTokenTypeBearer = tokenTypeRegexes.some(rx => rx.test(text));
+
+    // 정규표현식 토큰 유무 패턴 리스트 생성
    const tokenPatterns: RegExp[] = [];

    for (const key of tokenKeys) {
@ -169,9 +188,11 @@ private extractTokenFromText(text: string): string | null {
    for (const pattern of tokenPatterns) {
      const match = pattern.exec(text);
      if (match && match[1]) {
+        if(hasTokenTypeBearer){
          return match[1];
        }
      }
+    }

    return null;
  }
--- a/packages/backend/src/controller/csrfCheck.ts
+++ b/packages/backend/src/controller/csrfCheck.ts
@ -5,15 +5,24 @@ import { HttpUtils } from "../utils/http";
 const httpUtils = new HttpUtils();

 export class CsrfCheck {
+  private nonceParam = [
+    "state",
+    "nonce",
+    "as",
+    "frame_id",
+    "csrf_token",
+    "csrf",
+  ];
+
  private isTargetUri(uri: string): boolean {
    if (
-      uri.includes("client_id=") &&
-      (uri.includes("response_type=") ||
-        uri.includes("grant_type=") ||
-        uri.includes("redirect_uri=") ||
-        uri.includes("scope=") ||
-        uri.includes("state=") ||
-        uri.includes("nonce="))
+      httpUtils.getQueryParamFromURI(uri, "client_id") !== null &&
+      (httpUtils.getQueryParamFromURI(uri, "response_type") !== null ||
+        httpUtils.getQueryParamFromURI(uri, "grant_type") !== null ||
+        httpUtils.getQueryParamFromURI(uri, "redirect_uri") !== null ||
+        httpUtils.getQueryParamFromURI(uri, "scope") !== null ||
+        httpUtils.getQueryParamFromURI(uri, "state") !== null ||
+        httpUtils.getQueryParamFromURI(uri, "nonce") !== null)
    ) {
      return true;
    }
@ -43,105 +52,178 @@ export class CsrfCheck {
    return false;
  }

-  private isStateInQuery(request: Request): boolean {
-    const query = request.getQuery();
-    const stateValue =
-      httpUtils.getQueryParam(query || "", "state") ||
-      httpUtils.getQueryParam(query || "", "nonce");
-    if (!stateValue) {
-      return false;
+  private isNonceInQuery(request: Request): boolean {
+    const query = request.getQuery() || "";
+
+    for (const param of this.nonceParam) {
+      if (httpUtils.getQueryParam(query, param) !== null) {
+        return true; // Nonce parameter is present in the query
      }
-    return true;
    }

-  private checkStateAtResponseLocationHeader(
+    return false; // No nonce parameter found in the query
+  }
+
+  private getNonceParamName(url: string): string | null {
+    for (const param of this.nonceParam) {
+      if (httpUtils.getQueryParamFromURI(url, param) !== null) {
+        return param; // Return the first matching nonce parameter
+      }
+    }
+
+    return null; // No nonce parameter found
+  }
+
+  private checkNonceAtResponseLocationHeader(
    request: Request,
    response: Response
  ): string[] | 0 {
+    const nonceParamName = this.getNonceParamName(request.getUrl() || "");
+
    if (
-      !(
-        this.isOauthUri(request) &&
-        this.isStateInQuery(request) &&
-        this.isOauthRedirectResponse(response)
-      )
+      !this.isOauthUri(request) ||
+      !this.isNonceInQuery(request) ||
+      !this.isOauthRedirectResponse(response) ||
+      !nonceParamName
    ) {
      return 0; // Not a target, no CSRF risk
    }

-    // 요청에서 보낸 state 추출
+    // 요청에서 보낸 Nonce 추출
    const query = request.getQuery() || "";
-    const originalState =
-      httpUtils.getQueryParam(query, "state") ||
-      httpUtils.getQueryParam(query || "", "nonce");
+    const originalNonce = httpUtils.getQueryParam(query, nonceParamName);

    // 리다이렉트 URL에서 쿼리 부분만 추출
-    const locationHeader = httpUtils.getHeaderValue(
-      response.getHeaders(),
-      "location"
-    );
-    const responseState =
-      httpUtils.getQueryParamFromURI(locationHeader || "", "state") ||
-      httpUtils.getQueryParamFromURI(locationHeader || "", "nonce");
+    const locationHeader =
+      httpUtils.getHeaderValue(response.getHeaders(), "location") || "";

-    // state가 없거나, 요청값과 다르면 CSRF 위험
-    if (!responseState) {
+    const responseNonce = httpUtils.getQueryParamFromURI(
+      locationHeader || "",
+      nonceParamName
+    );
+
+    // Nonce가 없거나, 요청값과 다르면 CSRF 위험
+    if (!responseNonce) {
      // missing state
-      return ["state parameter is missing in the response location header"];
+      return ["Nonce parameter is missing in the response location header"];
    }
-    if (originalState !== responseState) {
+    if (originalNonce !== responseNonce) {
      // mismatch
-      return ["state parameter mismatch between request and response"];
+      return ["Nonce parameter mismatch between request and response"];
    }

    return 0; // no CSRF risk detected
  }

-  // private async checkStateReuse(
-  //   request: Request,
-  //   originResponse: Response
-  // ): Promise<string[] | 0> {
-  //   // uri에 oauth 관련 파라미터가 없지만, 응답이 oauth 리다이렉트 응답인지 확인
-  //   // 즉, 처음으로 state를 발급한 요청인지 확인
-  //   if (
-  //     !(
-  //       !this.isOauthUri(request) &&
-  //       this.isOauthRedirectResponse(originResponse)
-  //     )
-  //   ) {
-  //     return 0; // Not a target, no CSRF risk
-  //   }
+  private async checkNonceReuse(
+    sdk: SDK<DefineAPI<{}>, {}>,
+    request: Request,
+    originResponse: Response
+  ): Promise<string[] | 0> {
+    // uri에 oauth 관련 파라미터가 없지만, 응답이 oauth 리다이렉트 응답인지 확인
+    // 즉, 처음으로 Nonce를 발급한 요청인지 확인
+    if (
+      this.isOauthUri(request) ||
+      !this.isOauthRedirectResponse(originResponse)
+    ) {
+      return 0; // Not a target, no CSRF risk
+    }

-  //   const originResponseLocationHeader = httpUtils.getHeaderValue(
-  //     originResponse.getHeaders(),
-  //     "location"
-  //   );
-  //   const originState = httpUtils.getQueryParamFromURI(
-  //     originResponseLocationHeader || "",
-  //     "state"
-  //   );
+    // 기존 응답의 location 헤더의 url에서 Nonce 파라미터 이름, nonce 파라미터 값, 쿼리 추출
+    const originResponseLocationHeader =
+      httpUtils.getHeaderValue(originResponse.getHeaders(), "location") || "";
+    const nonceParamName =
+      this.getNonceParamName(originResponseLocationHeader || "") || "state";
+    const originLocationQuery =
+      httpUtils.getQueryFromURI(originResponseLocationHeader || "") || "";
+    const originLocationNonce = httpUtils.getQueryParam(
+      originLocationQuery,
+      nonceParamName
+    );

-  //   const requestHeaders = request.getHeaders();
-  //   const noCookieHeaders = httpUtils.removeHeaders(requestHeaders, ["cookie"]);
-  //   const newResponse = await httpUtils.resend(request, {
-  //     headers: noCookieHeaders,
-  //   });
-  //   const newLocationHeader = httpUtils.getHeaderValue(
-  //     newResponse.getHeaders(),
-  //     "location"
-  //   );
-  //   const newState = httpUtils.getQueryParamFromURI(
-  //     newLocationHeader || "",
-  //     "state"
-  //   );
+    // 쿠키가 없는 헤더로 새로운 nonce를 발급받기 위해 요청
+    const noCookieHeaders = httpUtils.removeHeaders(request.getHeaders(), [
+      "cookie",
+    ]);
+    const noCookieResponse = await httpUtils.resend(sdk, request, {
+      headers: noCookieHeaders,
+    });
+    if (!noCookieResponse || noCookieResponse?.getCode() >= 400) {
+      return 0;
+    }

-  //   if (originState === newState) {
-  //     return [
-  //       "State parameter reused in the response location header, indicating a potential CSRF risk",
-  //     ];
-  //   }
+    // 쿠키가 없는 응답의 location 헤더 추출 및 Nonce 추출
+    const noCookieLocationHeader = httpUtils.getHeaderValue(
+      noCookieResponse?.getHeaders() || {},
+      "location"
+    );
+    const newNonce =
+      httpUtils.getQueryParamFromURI(
+        noCookieLocationHeader || "",
+        nonceParamName
+      ) || "";

-  //   return 0; // no CSRF risk detected
-  // }
+    if (originLocationNonce === newNonce) {
+      return [
+        "State parameter reused in the response location header, indicating a potential CSRF risk",
+      ];
+    }
+
+    // 기존 쿠키와 함께 새로운 Nonce로 요청
+    const newQuery = httpUtils.setQueryParam(
+      originLocationQuery,
+      nonceParamName,
+      newNonce
+    );
+
+    // 기존 location 헤더의 uri 요청과 location 헤더에서 nonce값만 새로 발급한 값으로 바꾸어 요청한 결과를 비교
+    const res1 = await httpUtils.customFetch(
+      sdk,
+      originResponseLocationHeader,
+      "GET",
+      originLocationQuery,
+      request.getHeaders()
+    );
+
+    const res2 = await httpUtils.customFetch(
+      sdk,
+      originResponseLocationHeader,
+      "GET",
+      newQuery,
+      request.getHeaders()
+    );
+
+    if (
+      !res1 ||
+      !res2 ||
+      res1.getCode() >= 400 ||
+      res2.getCode() >= 400 ||
+      res1.getCode() !== res2.getCode()
+    ) {
+      return 0;
+    }
+
+    if (
+      res1.getCode() === res2.getCode() &&
+      300 <= res1.getCode() &&
+      res1.getCode() < 400
+    ) {
+      const res1LocationHeader =
+        httpUtils.getHeaderValue(res1.getHeaders(), "location") || "";
+      const res2LocationHeader =
+        httpUtils.getHeaderValue(res2.getHeaders(), "location") || "";
+      const res1ReirectPath = httpUtils.getPathFromURI(res1LocationHeader);
+      const res2ReirectPath = httpUtils.getPathFromURI(res2LocationHeader);
+
+      if (res1ReirectPath === res2ReirectPath) {
+        return [
+          "When nonce parameter reused in the response location header, it might not be verified. Indicating a potential CSRF risk",
+        ];
+      }
+    }
+
+    return 0; // no CSRF risk detected
+  }

  async checker(
    sdk: SDK<DefineAPI<{}>, {}>,
@ -151,23 +233,35 @@ export class CsrfCheck {
    let result = ``;

    // 쿼리에 state 파라미터가 없으면 CSRF 위험
-    if (this.isOauthUri(request) && !this.isStateInQuery(request)) {
+    try {
+      if (this.isOauthUri(request) && !this.isNonceInQuery(request)) {
        result += "CSRF risk: missing state parameter"; // CSRF risk: missing state parameter
      }
+    } catch (error) {
+      sdk.console.error(`Error checking state in query: ${error}`);
+    }

    // location 헤더에 state 파라미터가 없거나, 요청에서 보낸 state와 다르면 CSRF 위험
+    try {
      const stateAtResponseLocationHeaderCheck =
-      this.checkStateAtResponseLocationHeader(request, response);
+        this.checkNonceAtResponseLocationHeader(request, response);
      if (stateAtResponseLocationHeaderCheck !== 0) {
        result += `, ${stateAtResponseLocationHeaderCheck.join(", ")}`;
      }
+    } catch (error) {
+      sdk.console.error(
+        `Error checking state in response location header: ${error}`
+      );
+    }

-    // // 처음으로 state를 발급한 요청에서 state 파라미터를 바꿔서 보내기
-    // const reusedStateCheck = await this.checkStateReuse(request, response);
-    // if (reusedStateCheck !== 0) {
-    //   result += `, ${reusedStateCheck.join(", ")}`;
-    // }
+    // 처음으로 state를 발급한 요청에서 state 파라미터를 바꿔서 보내기
+    const reusedStateCheck = await this.checkNonceReuse(sdk, request, response);
+    if (reusedStateCheck !== 0) {
+      result += `, ${reusedStateCheck.join(", ")}`;
+    }

+    try {
+      result.replace(/^\s*,\s*|\s*$/, ""); // Remove leading/trailing commas
      if (result) {
        await sdk.findings.create({
          title: "csrf vuln",
@ -176,5 +270,8 @@ export class CsrfCheck {
          reporter: "csrf reporter",
        });
      }
+    } catch (error) {
+      sdk.console.error(`Error creating finding: ${error}`);
+    }
  }
 }
--- a/packages/backend/src/controller/nonceCheck.ts
+++ b/packages/backend/src/controller/nonceCheck.ts
@ -1,4 +1,4 @@
-import type { Request } from "caido:utils";
+import type { Request, Response } from "caido:utils";
 import { TokenLeakCheck } from "./tokenLeakCheck";

 export class NonceCheckController{
@ -6,8 +6,8 @@ export class NonceCheckController{
     * 응답이 OIDC(OpenID Connect) 플로우인지 확인하는 메서드
     */
    
-    public static isOidcFlow(req: Request): boolean {
-        if(TokenLeakCheck.extractIdToken(req)) {
+    public static isOidcFlow(req: Request, res:Response): boolean {
+        if(TokenLeakCheck.extractIdToken(req, res)) {
            return true;
        }
        return false;
@ -15,10 +15,10 @@ export class NonceCheckController{

  
    public static isNonceCheckRequest(req: Request): boolean {
-        const id_token = decodeIdToken(req);
+        const id_token = TokenLeakCheck.decodeIdToken(req);

        // 1. nonce 파라미터가 포함된 요청인지 확인
-        if (id_token.includes("nonce=")) {
+        if (id_token && id_token.includes("nonce=")) {
            return true;
        }

@ -26,8 +26,4 @@ export class NonceCheckController{
    }
 }

-function decodeIdToken(req: Request): string {
-    // Implement actual decoding logic here. For now, return an empty string or mock value.
-    return "";
-}

--- a/packages/backend/src/controller/redirect_uriBypass.ts
+++ b/packages/backend/src/controller/redirect_uriBypass.ts
@ -0,0 +1,59 @@
+import type { Request, Response } from "caido:utils";
+import type { SDK } from "caido:plugin";
+
+export class RedirectBypassController {
+  // redirect_uri를 확인하는 함수
+  isRedirectUri(req: Request): { detected: boolean; redirectUri?: string } {
+    // ? 뒤에 오는 파라미터 모두 가져오고, 정규표현식으로 redirect_uri= 이후 주소만 뽑음(없으면 null)  
+    const query = req.getQuery();
+    const redirectUriMatch = query.match(/redirect_uri=([^&]+)/i);
+
+    // redirectUriMatch[1]은 ()로 감싼 부분 
+    // redirect_uri 파라미터가 없거나 있어도 주소가 문자열이 아니면 false 
+    if (!redirectUriMatch || typeof redirectUriMatch[1] !== "string") {
+      return { detected: false };
+    }
+
+    // 인코딩된 주소를 원래대로 바꿈 (ex. https://~~)
+    const redirectUri = decodeURIComponent(redirectUriMatch[1]);
+
+    const bypassPatterns = [
+      "%ff@", "／", "%2f@", "%0a@", "%0d@", "\\", ".evil.com", "@", "%2f..%2f",
+    ];
+    
+    // 위 패턴에 일치하는 게 있으면 true랑 redirectUri 반환 (false일 땐 undefined)
+    const detected = bypassPatterns.some(pattern => redirectUri.includes(pattern));
+    return { detected, redirectUri: detected ? redirectUri : undefined };
+  }
+
+  // 응답에 인가 코드가 포함되어 있는지 확인하는 함수 
+  isCodeIssued(res: Response): boolean {
+    const location = res.getHeader("Location") || "";
+    return location.includes("code=");
+  }
+
+  // 위의 두 함수 모두 만족하면 true, 문제의 주소를 반환하는 함수 
+  test(req: Request, res: Response): { detected: boolean; redirectUri?: string } {
+    const redirectCheck = this.isRedirectUri(req);
+    const codeIssued = this.isCodeIssued(res);
+    
+    if (redirectCheck.detected && codeIssued) {
+      return { detected: true, redirectUri: redirectCheck.redirectUri };
+    }
+    
+    return { detected: false };
+  }
+
+  // 탐지된 결과 저장하는 함수 
+  async testAsync(sdk: SDK, req: Request, res: Response): Promise<void> {
+    const result = this.test(req, res);
+    if (result.detected) {
+      await sdk.findings.create({
+        title: "Redirect URI Bypass Detected",
+        description: `redirect_uri 우회 발견\nRedirect URI: ${result.redirectUri}`,
+        request: req,
+        reporter: "gyu",
+      });
+    }
+  }
+}
--- a/packages/backend/src/controller/tokenLeakCheck.ts
+++ b/packages/backend/src/controller/tokenLeakCheck.ts
@ -1,8 +1,8 @@
-import type { Request } from "caido:utils";
+import type { Request,Response } from "caido:utils";
 import jwt from "jsonwebtoken";

 export class TokenLeakCheck {
-  public static extractIdToken(req: Request): string | null {
+  public static extractIdToken(req: Request, res?: Response): string | null {
    // 1. Authorization 헤더 확인\\
    const header = req.getHeaders() as Record<string, string | string[] | undefined>;
    const authHeader = header["authorization"] || header["Authorization"];
@ -16,19 +16,21 @@ export class TokenLeakCheck {
      return (query as Record<string, any>).id_token;
    }

-    // 3. POST 바디 안에 id_token이 있을 경우
-    const rawBody = req.getRaw();
+    // 3. response 안에 id_token이 있을 경우
+    if (res) {
+      const rawBody = res.getRaw();
      const body = rawBody ? rawBody.toString() : "";
      const match = body.match(/id_token=([^&\s]+)/);
-    if (match && typeof match[1] === "string") {
+      if (match && typeof match[1] === "string" ) {
        return decodeURIComponent(match[1]);
      }
+    }

    return null;
  }

-  public static decodeIdToken(req: Request): Record<string, any> | null {
-    const token = this.extractIdToken(req);
+  public static decodeIdToken(req: Request, res?: Response): Record<string, any> | null {
+    const token = this.extractIdToken(req, res);
    if (!token) return null;

    const decoded = jwt.decode(token, { complete: true });
--- a/packages/backend/src/index.ts
+++ b/packages/backend/src/index.ts
@ -6,51 +6,56 @@ import { CsrfCheck } from "./controller/csrfCheck";
 import { PKCECheck } from "./controller/PKCECheck";
 import { AccessTokenLeakController } from "./controller/accessTokenDetector";
 import { ScopeDetection } from "./controller/scopeDetection";
+// import { NonceCheckController } from "./controller/nonceCheck";
+import { RedirectBypassController } from "./controller/redirect_uriBypass";

 export type API = DefineAPI<{}>;

 const csrfCheck = new CsrfCheck();
-// const implicitGrantController = new ImplicitGrantController();
-// const authZCodeGrantController = new AuthZCodeGrantController();
 const pkceCheckController = new PKCECheck();
 const tokenCheck = new AccessTokenLeakController();
 const ScopeDetectionController = new ScopeDetection();
+// const nonceCheckController = new NonceCheckController();
+const redirectBypassController = new RedirectBypassController();

 export function init(sdk: SDK<API>) {
-  // sdk.events.onInterceptRequest(async (sdk, req: Request) => {
-  //   const result = csrfCheck.checker(req);
+  sdk.events.onInterceptResponse(async (sdk, req: Request, res: Response) => {
+    await csrfCheck.checker(sdk, req, res);
+    //await pkceCheckController.test(sdk, req);
+    await tokenCheck.testResp(sdk, res, req);
+    await ScopeDetectionController.scan(sdk, req.getUrl());
+    await redirectBypassController.testAsync(sdk, req, res);

-  //   if (result) {
+    // if (NonceCheckController.isOidcFlow(req, res)) {
    //   await sdk.findings.create({
-  //       title: "Possible SSO Request Detected",
-  //       description: `SSO-related parameters detected in request:\n\n${req.getMethod()} ${req.getUrl()} : ${result}`,
+    //     title: "OIDC Flow Detected",
+    //     description: "The request appears to be part of an OIDC flow.",
    //     request: req,
    //     reporter: "",
    //   });
    // }
-  // });
+  });

-  sdk.events.onInterceptResponse(
-    async (sdk: SDK<DefineAPI<{}>, {}>, req: Request, resp: Response) => {
-      await csrfCheck.checker(sdk, req, resp);
-      await pkceCheckController.test(sdk, req);
+  sdk.events.onInterceptRequest(async (sdk, req: Request) => {
    await tokenCheck.testReq(sdk, req);
-      await tokenCheck.testResp(sdk, resp, req);
-      await ScopeDetectionController.scan(sdk, req.getUrl());
-      // sdk.events.onInterceptRequest(async (sdk, req: Request) => {
-      //   const result =
-      //     authZCodeGrantController.testReq(req) ||
-      //     implicitGrantController.testReq(req);
+    await pkceCheckController.test(sdk, req);
+  });
+  /*
+  sdk.events.onInterceptRequest(async (sdk, req: Request) => {
+    const result =
+      authZCodeGrantController.testReq(req) ||
+      implicitGrantController.testReq(req);

-      //   if (result) {
-      //     await pkceCheckController.test(sdk, req);
+    if (result) {
+      await pkceCheckController.test(sdk, req);

-      //     await sdk.findings.create({
-      //       title: "Possible SSO Request Detected",
-      //       description: `SSO-related parameters detected in request:\n\n${req.getMethod()} ${req.getUrl()} : ${result}`,
-      //       request: req,
-      //       reporter: "",
-      //     });
+      await sdk.findings.create({
+        title: "Possible SSO Request Detected",
+        description: `SSO-related parameters detected in request:\n\n${req.getMethod()} ${req.getUrl()} : ${result}`,
+        request: req,
+        reporter: "",
+      });
    }
-  );
+  });
+  */
 }
--- a/packages/backend/src/utils/http.ts
+++ b/packages/backend/src/utils/http.ts
@ -1,3 +1,6 @@
+import type { SDK } from "caido:plugin";
+import { Body, RequestSpec, type Request, type Response } from "caido:utils";
+
 let instance: HttpUtils | null = null;
 export class HttpUtils {
  /**
@ -11,6 +14,14 @@ export class HttpUtils {
    return instance;
  }

+  encodeAndLower(value: string): string {
+    try {
+      return encodeURIComponent(value).toLowerCase();
+    } catch {
+      return value.toLowerCase();
+    }
+  }
+
  /**
   * URI 디코딩 후 소문자로 변환하는 헬퍼 함수
   * @param value - 디코딩하고 소문자로 변환할 문자열
@ -47,12 +58,35 @@ export class HttpUtils {
    return result;
  }

-  getQueryParamFromURI(uri: string, key: string): string | null {
+  getPathFromURI(uri: string): string | null {
    uri = uri.toLowerCase();
-    key = key.toLowerCase();
    try {
      const urlObj = new URL(uri);
-      return urlObj.searchParams.get(key);
+      const path = urlObj.pathname;
+      return path ? decodeURIComponent(path) : null; // 경로가 없으면 null 반환
+    } catch (e) {
+      return null; // URL 파싱 실패 시 null 반환
+    }
+  }
+
+  getQueryFromURI(uri: string): string | null {
+    uri = uri.toLowerCase();
+    try {
+      const urlObj = new URL(uri);
+      const query = urlObj.search;
+      return query ? decodeURIComponent(query.slice(1)) : null; // 쿼리 문자열에서 ? 제거
+    } catch (e) {
+      return null; // URL 파싱 실패 시 null 반환
+    }
+  }
+
+  getQueryParamFromURI(uri: string, key: string): string | null {
+    uri = uri.toLowerCase();
+    key = this.decodeAndLower(key);
+    try {
+      const urlObj = new URL(uri);
+      const param = urlObj.searchParams.get(key);
+      return param ? decodeURIComponent(param) : null;
    } catch (e) {
      return null;
    }
@ -67,10 +101,11 @@ export class HttpUtils {
   */
  getQueryParam(query: string, key: string): string | null {
    query = query.toLowerCase();
-    key = key.toLowerCase();
+    key = this.decodeAndLower(key);

    const params = new URLSearchParams(query);
-    return params.get(key);
+    const targetParam = params.get(key);
+    return targetParam ? decodeURIComponent(targetParam) : null;
  }

  /**
@ -83,11 +118,11 @@ export class HttpUtils {
   */
  setQueryParam(query: string, key: string, value: string): string {
    query = query.toLowerCase();
-    key = key.toLowerCase();
-    value = value.toLowerCase();
+    key = this.decodeAndLower(key);
+    value = this.decodeAndLower(value);

    const params = new URLSearchParams(query);
-    params.set(key, value);
+    params.set(key, this.encodeAndLower(value));
    return params.toString();
  }

@ -100,7 +135,7 @@ export class HttpUtils {
   */
  removeQueryParam(query: string, key: string): string {
    query = query.toLowerCase();
-    key = key.toLowerCase();
+    key = this.decodeAndLower(key);

    const params = new URLSearchParams(query);
    params.delete(key);
@ -109,6 +144,7 @@ export class HttpUtils {

  // Headers
  /**
+   * !! 만약 request.getHeader(`${key}`)을 사용할 수 있다면 이 함수를 사용하지 마세요.
   * 주어진 헤더 맵에서 name에 해당하는 첫 번째 헤더 값을 반환합니다.
   * @param headers     - Response.getHeaders() 가 반환하는 객체
   * @param name        - 꺼내고 싶은 헤더 이름 (예: "location", "Content-Type")
@ -207,4 +243,89 @@ export class HttpUtils {
    }
    return filtered;
  }
+
+  async resend(
+    sdk: SDK,
+    request: Request,
+    options?: {
+      headers?: Record<string, string | string[]>;
+      body?: Body;
+      method?: string;
+      query?: string;
+    }
+  ): Promise<Response | null> {
+    try {
+      const spec = new RequestSpec(request.getUrl());
+      spec.setMethod(options?.method || request.getMethod() || "GET");
+      if (options?.query) {
+        spec.setQuery(options.query);
+      } else {
+        spec.setQuery(request.getQuery() || "");
+      }
+
+      const originBody = request.getBody();
+      if (options?.body) {
+        spec.setBody(options.body);
+      } else if (originBody) {
+        spec.setBody(originBody);
+      }
+
+      const headers = request.getHeaders();
+      if (options?.headers) {
+        // 기존 헤더에서 options.headers로 덮어쓰기
+        const newHeaders = this.lowerCaseAllHeaders({
+          ...headers,
+          ...options.headers,
+        });
+        for (const [key, value] of Object.entries(newHeaders)) {
+          spec.setHeader(key, Array.isArray(value) ? value.join(", ") : value);
+        }
+      } else {
+        // 기존 헤더 그대로 사용
+        for (const [key, value] of Object.entries(headers)) {
+          spec.setHeader(key, Array.isArray(value) ? value.join(", ") : value);
+        }
+      }
+
+      const result = await sdk.requests.send(spec);
+      return result.response ?? null;
+    } catch (error) {
+      sdk.console.error(
+        `Error resending request to ${request.getUrl()}: ${String(error)}`
+      );
+      return null;
+    }
+  }
+
+  async customFetch(
+    sdk: SDK,
+    url: string,
+    method?: string,
+    query?: string,
+    headers?: Record<string, string | string[]>,
+    body?: Body
+  ): Promise<Response | null> {
+    try {
+      const spec = new RequestSpec(url);
+      spec.setMethod(method || "GET");
+      if (query) {
+        spec.setQuery(query);
+      }
+      if (body) {
+        spec.setBody(body);
+      }
+
+      for (const [key, value] of Object.entries(headers || {})) {
+        spec.setHeader(key, Array.isArray(value) ? value.join(", ") : value);
+      }
+
+      const result = await sdk.requests.send(spec);
+      return result.response ?? null;
+    } catch {
+      sdk.console.error(
+        `Error during custom fetch to ${url}: ${String(error)}`
+      );
+      return null;
+    }
+  }
 }
--- a/playground/csrf/index.js
+++ b/playground/csrf/index.js
@ -1,5 +1,6 @@
 // app.js
 const express = require("express");
+const crypto = require("crypto");
 const app = express();
 const port = 8000;

@ -43,8 +44,6 @@ app.get("/authorize/mismatch-state", (req, res) => {
  );
  const code = "authcode-67890";

-  console.log(`[VULN] original state from client:`, originalState);
-
  // 클라이언트 state와 다르게 'wrong-state'를 삽입
  const wrongState = "wrong-state";
  const location = `${redirectUri}?code=${code}&state=${wrongState}&client_id=${clientId}`;
@ -52,6 +51,24 @@ app.get("/authorize/mismatch-state", (req, res) => {
  res.status(302).send(`Redirecting to ${location}`);
 });

+/**
+ * 3) 랜덤 state를 생성하여 리다이렉트를 발생시키는 테스트용 엔드포인트
+ *    - /authorize/reuse-state-test 로 접근할 때마다 새로운 16진수 state를 생성
+ *    - 최초 요청에 OAuth 파라미터가 없으므로 isOauthUri(request) == false
+ *    - 응답에 Location 헤더로 '...?state=<랜덤값>' 을 포함
+ *    -> Caido 플러그인의 checkNonceReuse 로직에서 새로운 state가 발급되었는지,
+ *       재사용되었는지를 검증할 수 있음
+ *    - 더하여 callback uri에서 해당 nonce의 유효성을 판단하지 않고 응답 시에 vuln
+ */
+app.get("/authorize/reuse-state-test", (req, res) => {
+  const state = crypto.randomBytes(16).toString("hex");
+
+  // 고정된 콜백 URI로 리다이렉트 (OAuth 파라미터는 여기서만 주입)
+  const location = `http://localhost:${port}/callback?state=${state}&client_id=123`;
+  res.set("Location", location);
+  res.status(302).send(`Redirecting to ${location}`);
+});
+
 app.listen(port, () => {
  console.log(
    `Vulnerable OAuth test server listening at http://localhost:${port}`
@ -62,4 +79,7 @@ app.listen(port, () => {
  console.log(
    `2) Mismatch-State: http://localhost:${port}/authorize/mismatch-state?client_id=abc&state=xyz&redirect_uri=http://localhost:${port}/callback`
  );
+  console.log(
+    `3) Reuse-State-Test:    http://localhost:${port}/authorize/reuse-state-test`
+  );
 });
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@ -7,10 +7,17 @@ settings:
 importers:

  .:
+    dependencies:
+      '@types/jsonwebtoken':
+        specifier: ^9.0.9
+        version: 9.0.9
+      jsonwebtoken:
+        specifier: ^9.0.2
+        version: 9.0.2
    devDependencies:
      '@caido-community/dev':
        specifier: ^0.1.3
-        version: 0.1.5(postcss@8.5.3)(typescript@5.5.4)
+        version: 0.1.5(@types/node@22.15.29)(postcss@8.5.3)(typescript@5.5.4)
      '@caido/sdk-backend':
        specifier: ^0.48.1
        version: 0.48.1
@ -328,6 +335,15 @@ packages:
  '@types/estree@1.0.7':
    resolution: {integrity: sha512-w28IoSUCJpidD/TGviZwwMJckNESJZXFu7NBZ5YJ4mEUnNraUn9Pm8HSZm/jDF1pDWYKspWE7oVphigUPRakIQ==}

+  '@types/jsonwebtoken@9.0.9':
+    resolution: {integrity: sha512-uoe+GxEuHbvy12OUQct2X9JenKM3qAscquYymuQN4fMWG9DBQtykrQEFcAbVACF7qaLw9BePSodUL0kquqBJpQ==}
+
+  '@types/ms@2.1.0':
+    resolution: {integrity: sha512-GsCCIZDE/p3i96vtEqx+7dBUGXrc7zeSK3wwPHIaRThS+9OhWIXRqzs4d6k1SVU8g91DrNRWxWUGhp5KXQb2VA==}
+
+  '@types/node@22.15.29':
+    resolution: {integrity: sha512-LNdjOkUDlU1RZb8e1kOIUpN1qQUlzGkEtbVNo53vbrwDg5om6oduhm4SiUaPW5ASTXhAiP0jInWG8Qx9fVlOeQ==}
+
  accepts@2.0.0:
    resolution: {integrity: sha512-5cvg6CtKwfgdmVqY1WIiXKc3Q1bkRqGLi+2W/6ao+6Y7gu/RCwRuAhGEzh5B4KlszSuTLgZYuqFqo5bImjNKng==}
    engines: {node: '>= 0.6'}
@ -364,6 +380,9 @@ packages:
  brace-expansion@2.0.1:
    resolution: {integrity: sha512-XnAIvQ8eM+kC6aULx6wuQiwVsnzsi9d3WxzV3FpWTGA19F621kwdbsAcFKXgKUHZWsy+mY6iL1sHTxWEFCytDA==}

+  buffer-equal-constant-time@1.0.1:
+    resolution: {integrity: sha512-zRpUiDwd/xk6ADqPMATG8vc9VPrkck7T07OIx0gnjmJAnHnTVXNQG3vfvWNuiZIkwu9KrKdA1iJKfsfTVxE6NA==}
+
  bundle-require@5.1.0:
    resolution: {integrity: sha512-3WrrOuZiyaaZPWiEt4G3+IffISVC9HYlWueJEBWED4ZH4aIAC2PnkdnuRrR94M+w6yGWn4AglWtJtBI8YqvgoA==}
    engines: {node: ^12.20.0 || ^14.13.1 || >=16.0.0}
@ -465,6 +484,9 @@ packages:
  eastasianwidth@0.2.0:
    resolution: {integrity: sha512-I88TYZWc9XiYHRQ4/3c5rjjfgkjhLyW2luGIheGERbNQ6OY7yTybanSpDXZa8y7VUP9YmDcYa+eyq4ca7iLqWA==}

+  ecdsa-sig-formatter@1.0.11:
+    resolution: {integrity: sha512-nagl3RYrbNv6kQkeJIpt6NJZy8twLB/2vtz6yN9Z4vRKHN4/QZJIEbqohALSgwKdnksuY3k5Addp5lg8sVoVcQ==}
+
  ee-first@1.1.1:
    resolution: {integrity: sha512-WMwm9LhRUo+WUaRN+vRuETqG89IgZphVSNkdFgeb6sS/E4OrDIN7t48CAewSHXc6C8lefD8KKfr5vY61brQlow==}

@ -622,9 +644,19 @@ packages:
  json-schema-traverse@1.0.0:
    resolution: {integrity: sha512-NM8/P9n3XjXhIZn1lLhkFaACTOURQXjWhV4BA/RnOv8xvgqtqpAX9IO4mRQxSx1Rlo4tqzeqb0sOlruaOy3dug==}

+  jsonwebtoken@9.0.2:
+    resolution: {integrity: sha512-PRp66vJ865SSqOlgqS8hujT5U4AOgMfhrwYIuIhfKaoSCZcirrmASQr8CX7cUg+RMih+hgznrjp99o+W4pJLHQ==}
+    engines: {node: '>=12', npm: '>=6'}
+
  jszip@3.10.1:
    resolution: {integrity: sha512-xXDvecyTpGLrqFrvkrUSoxxfJI5AH7U8zxxtVclpsUtMCq4JQ290LY8AW5c7Ggnr/Y/oK+bQMbqK2qmtk3pN4g==}

+  jwa@1.4.2:
+    resolution: {integrity: sha512-eeH5JO+21J78qMvTIDdBXidBd6nG2kZjg5Ohz/1fpa28Z4CcsWUzJ1ZZyFq/3z3N17aZy+ZuBoHljASbL1WfOw==}
+
+  jws@3.2.2:
+    resolution: {integrity: sha512-YHlZCB6lMTllWDtSPHz/ZXTsi8S00usEV6v1tjq8tOUZzw7DpSDWVXjXDre6ed1w/pd495ODpHZYSdkRTsa0HA==}
+
  lie@3.3.0:
    resolution: {integrity: sha512-UaiMJzeWRlEujzAuw5LokY1L5ecNQYZKfmyZ9L7wDHb/p5etKaxXhohBcrw0EYby+G/NA52vRSN4N39dxHAIwQ==}

@ -639,6 +671,27 @@ packages:
    resolution: {integrity: sha512-IXO6OCs9yg8tMKzfPZ1YmheJbZCiEsnBdcB03l0OcfK9prKnJb96siuHCr5Fl37/yo9DnKU+TLpxzTUspw9shg==}
    engines: {node: ^12.20.0 || ^14.13.1 || >=16.0.0}

+  lodash.includes@4.3.0:
+    resolution: {integrity: sha512-W3Bx6mdkRTGtlJISOvVD/lbqjTlPPUDTMnlXZFnVwi9NKJ6tiAk6LVdlhZMm17VZisqhKcgzpO5Wz91PCt5b0w==}
+
+  lodash.isboolean@3.0.3:
+    resolution: {integrity: sha512-Bz5mupy2SVbPHURB98VAcw+aHh4vRV5IPNhILUCsOzRmsTmSQ17jIuqopAentWoehktxGd9e/hbIXq980/1QJg==}
+
+  lodash.isinteger@4.0.4:
+    resolution: {integrity: sha512-DBwtEWN2caHQ9/imiNeEA5ys1JoRtRfY3d7V9wkqtbycnAmTvRRmbHKDV4a0EYc678/dia0jrte4tjYwVBaZUA==}
+
+  lodash.isnumber@3.0.3:
+    resolution: {integrity: sha512-QYqzpfwO3/CWf3XP+Z+tkQsfaLL/EnUlXWVkIk5FUPc4sBdTehEqZONuyRt2P67PXAk+NXmTBcc97zw9t1FQrw==}
+
+  lodash.isplainobject@4.0.6:
+    resolution: {integrity: sha512-oSXzaWypCMHkPC3NvBEaPHf0KsA5mvPrOPgQWDsbg8n7orZ290M0BmC/jgRZ4vcJ6DTAhjrsSYgdsW/F+MFOBA==}
+
+  lodash.isstring@4.0.1:
+    resolution: {integrity: sha512-0wJxfxH1wgO3GrbuP+dTTk7op+6L41QCXbGINEmD+ny/G/eCqGzxyCsh7159S+mgDDcoarnBw6PC1PS5+wUGgw==}
+
+  lodash.once@4.1.1:
+    resolution: {integrity: sha512-Sb487aTOCr9drQVL8pIxOzVhafOjZN9UU54hiN8PU3uAiSV7lx1yYNpbNmex2PK6dSJoNTSJUUswT651yww3Mg==}
+
  lodash.sortby@4.7.0:
    resolution: {integrity: sha512-HDWXG8isMntAyRF5vZ7xKuEvOhT4AhlRt/3czTSjvGUxjYCBVRQY48ViDHyfYz9VIoBkW4TMGQNapx+l3RUwdA==}

@ -837,6 +890,11 @@ packages:
  safer-buffer@2.1.2:
    resolution: {integrity: sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==}

+  semver@7.7.2:
+    resolution: {integrity: sha512-RF0Fw+rO5AMf9MAyaRXI4AV0Ulj5lMHqVxxdSgiVbixSCXoEmmX/jk0CuJw4+3SqroYO9VoUh+HcuJivvtJemA==}
+    engines: {node: '>=10'}
+    hasBin: true
+
  send@1.2.0:
    resolution: {integrity: sha512-uaW0WwXKpL9blXE2o0bRhoL2EGXIrZxQ2ZQ4mgcfoBxdFmQold+qWsD2jLrfZ0trjKL6vOw0j//eAwcALFjKSw==}
    engines: {node: '>= 18'}
@ -971,6 +1029,9 @@ packages:
    engines: {node: '>=14.17'}
    hasBin: true

+  undici-types@6.21.0:
+    resolution: {integrity: sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==}
+
  unpipe@1.0.0:
    resolution: {integrity: sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==}
    engines: {node: '>= 0.8'}
@ -1065,7 +1126,7 @@ packages:

 snapshots:

-  '@caido-community/dev@0.1.5(postcss@8.5.3)(typescript@5.5.4)':
+  '@caido-community/dev@0.1.5(@types/node@22.15.29)(postcss@8.5.3)(typescript@5.5.4)':
    dependencies:
      '@caido/plugin-manifest': 0.3.0
      chalk: 5.4.1
@ -1076,7 +1137,7 @@ snapshots:
      jiti: 2.4.2
      jszip: 3.10.1
      tsup: 8.3.5(jiti@2.4.2)(postcss@8.5.3)(typescript@5.5.4)
-      vite: 6.0.7(jiti@2.4.2)
+      vite: 6.0.7(@types/node@22.15.29)(jiti@2.4.2)
      ws: 8.18.0
      zod: 3.24.1
    transitivePeerDependencies:
@ -1284,6 +1345,17 @@ snapshots:

  '@types/estree@1.0.7': {}

+  '@types/jsonwebtoken@9.0.9':
+    dependencies:
+      '@types/ms': 2.1.0
+      '@types/node': 22.15.29
+
+  '@types/ms@2.1.0': {}
+
+  '@types/node@22.15.29':
+    dependencies:
+      undici-types: 6.21.0
+
  accepts@2.0.0:
    dependencies:
      mime-types: 3.0.1
@ -1328,6 +1400,8 @@ snapshots:
    dependencies:
      balanced-match: 1.0.2

+  buffer-equal-constant-time@1.0.1: {}
+
  bundle-require@5.1.0(esbuild@0.24.2):
    dependencies:
      esbuild: 0.24.2
@ -1401,6 +1475,10 @@ snapshots:

  eastasianwidth@0.2.0: {}

+  ecdsa-sig-formatter@1.0.11:
+    dependencies:
+      safe-buffer: 5.2.1
+
  ee-first@1.1.1: {}

  emoji-regex@8.0.0: {}
@ -1605,6 +1683,19 @@ snapshots:

  json-schema-traverse@1.0.0: {}

+  jsonwebtoken@9.0.2:
+    dependencies:
+      jws: 3.2.2
+      lodash.includes: 4.3.0
+      lodash.isboolean: 3.0.3
+      lodash.isinteger: 4.0.4
+      lodash.isnumber: 3.0.3
+      lodash.isplainobject: 4.0.6
+      lodash.isstring: 4.0.1
+      lodash.once: 4.1.1
+      ms: 2.1.3
+      semver: 7.7.2
+
  jszip@3.10.1:
    dependencies:
      lie: 3.3.0
@ -1612,6 +1703,17 @@ snapshots:
      readable-stream: 2.3.8
      setimmediate: 1.0.5

+  jwa@1.4.2:
+    dependencies:
+      buffer-equal-constant-time: 1.0.1
+      ecdsa-sig-formatter: 1.0.11
+      safe-buffer: 5.2.1
+
+  jws@3.2.2:
+    dependencies:
+      jwa: 1.4.2
+      safe-buffer: 5.2.1
+
  lie@3.3.0:
    dependencies:
      immediate: 3.0.6
@ -1622,6 +1724,20 @@ snapshots:

  load-tsconfig@0.2.5: {}

+  lodash.includes@4.3.0: {}
+
+  lodash.isboolean@3.0.3: {}
+
+  lodash.isinteger@4.0.4: {}
+
+  lodash.isnumber@3.0.3: {}
+
+  lodash.isplainobject@4.0.6: {}
+
+  lodash.isstring@4.0.1: {}
+
+  lodash.once@4.1.1: {}
+
  lodash.sortby@4.7.0: {}

  lru-cache@10.4.3: {}
@ -1801,6 +1917,8 @@ snapshots:

  safer-buffer@2.1.2: {}

+  semver@7.7.2: {}
+
  send@1.2.0:
    dependencies:
      debug: 4.3.6
@ -1968,6 +2086,8 @@ snapshots:

  typescript@5.5.4: {}

+  undici-types@6.21.0: {}
+
  unpipe@1.0.0: {}

  util-deprecate@1.0.2: {}
@ -1976,12 +2096,13 @@ snapshots:

  vary@1.1.2: {}

-  vite@6.0.7(jiti@2.4.2):
+  vite@6.0.7(@types/node@22.15.29)(jiti@2.4.2):
    dependencies:
      esbuild: 0.24.2
      postcss: 8.5.3
      rollup: 4.41.0
    optionalDependencies:
+      '@types/node': 22.15.29
      fsevents: 2.3.3
      jiti: 2.4.2
Author	SHA1	Message	Date
김민곤	1e9a0f1aa0	Merge pull request #21 from whs-authz-authn-project/feature/access-token-detector [DOCS] AccessToken findings 생성 시 reporter 추가	2025-06-04 22:40:19 +09:00
KMINGON	595d0e93a3	Merge branch 'main' into feature/access-token-detector	2025-06-04 22:37:39 +09:00
KMINGON	195be25c22	[DOCS] : findings 추가될 때 reporter 값 설정	2025-06-04 22:36:37 +09:00
김민곤	5a88570fe2	Merge pull request #19 from whs-authz-authn-project/feature/csrf [Update] nonce 파라미터 감지 범위 확장 및 nonce 파라미터 재사용에대한 검증 로직 추가	2025-06-04 22:19:15 +09:00
James	d2c95cff2e	Merge pull request #20 from whs-authz-authn-project/feature/access-token-detector [FIX] AccessToken 탐지 정확도 증가	2025-06-04 22:03:47 +09:00
KMINGON	ac53cd4be5	[FIX]: index의 response에 위치하던 request검사 함수 이동	2025-06-04 17:04:39 +09:00
KMINGON	ba98eef694	Merge branch 'main' into feature/access-token-detector	2025-06-04 17:02:13 +09:00
KMINGON	1bc442b1d3	[FIX]: tokenType까지 검사하여 OAuth Flow인지 확인	2025-06-04 17:01:32 +09:00
tv0924@icloud.com	efb89c668c	[Update] nonce 파라미터 감지 범위 늘림 및 nonce 파라미터 재사용에대한 검증 로직 추가	2025-06-04 16:02:42 +09:00
gyuu04	c722adbe9d	Merge pull request #18 from whs-authz-authn-project/gyu Update redirect_uriBypass.ts	2025-06-03 14:45:30 +09:00
gyuu04	979dda299a	Update redirect_uriBypass.ts	2025-06-03 14:44:09 +09:00
gyuu04	14164ceb83	Merge pull request #17 from whs-authz-authn-project/gyu [Add] RedirectBypassController 및 실행 로직 추가	2025-06-03 12:50:47 +09:00
gyuu04	78042ef305	[Add] RedirectBypassController 및 실행 로직 추가 - redirect_uri 우회 탐지용 RedirectBypassController 클래스 추가 - index.ts에 testAsync 연결 로직 삽입	2025-06-03 12:44:48 +09:00
gyuu04	e45124de21	Merge pull request #16 from whs-authz-authn-project/gyu Create redirect_uriBypass.ts	2025-06-03 12:30:11 +09:00
gyuu04	986c6e59b6	Create redirect_uriBypass.ts redirect_uri 우회 탐지 로직 추가	2025-06-03 12:26:03 +09:00
암냥 (imnyang)	e83988f5fb	Merge pull request #15 from whs-authz-authn-project/feature/pkce PKCE 리팩토링 && pkceCheckController는 onInterceptRequest에서 작동되어야합니다.	2025-06-02 22:29:08 +09:00
imnyang	e34649288c	Merge branch 'main' of https://github.com/whs-authz-authn-project/caido-plugin-test into feature/pkce	2025-06-02 22:17:14 +09:00
김민곤	eca9a8a5b5	Merge pull request #14 from whs-authz-authn-project/feature/csrf 수진, 민곤 확인 완료	2025-06-02 22:13:04 +09:00
imnyang	d820695cec	Merge branch 'main' of https://github.com/whs-authz-authn-project/caido-plugin-test into feature/pkce	2025-06-02 22:05:37 +09:00
imnyang	c72f103221	FEAT: 리팩토링	2025-06-02 22:03:52 +09:00
tv0924@icloud.com	1c57ad1a39	[Update] oauth 탐지 로직 정교화	2025-06-02 10:56:42 +09:00
tv0924@icloud.com	b8b7edb5ac	[Update] oauth 탐지 로직 정교화	2025-06-02 10:50:11 +09:00
imnyang	316a078bd0	Merge branch 'main' of https://github.com/whs-authz-authn-project/caido-plugin-test into feature/pkce	2025-05-31 15:03:40 +09:00
암냥 (imnyang)	6efa9f4d20	Merge pull request #5 from whs-authz-authn-project/main Commit Behind	2025-05-31 11:51:47 +09:00