Information disclosure in parse-server

@@ -0,0 +1,198 @@
+const request = require('../lib/request');
+
+const serverURL = 'http://localhost:8378/1';
+const headers = {
+  'Content-Type': 'application/json',
+};
+const keys = {
+  _ApplicationId: 'test',
+  _JavaScriptKey: 'test',
+};
+const emailAdapter = {
+  sendVerificationEmail: () => Promise.resolve(),
+  sendPasswordResetEmail: () => Promise.resolve(),
+  sendMail: () => {},
+};
+const appName = 'test';
+const publicServerURL = 'http://localhost:8378/1';
+
+describe('Regex Vulnerabilities', function() {
+  beforeEach(async function() {
+    await reconfigureServer({
+      verifyUserEmails: true,
+      emailAdapter,
+      appName,
+      publicServerURL,
+    });
+
+    const signUpResponse = await request({
+      url: `${serverURL}/users`,
+      method: 'POST',
+      headers,
+      body: JSON.stringify({
+        ...keys,
+        _method: 'POST',
+        username: 'someemail@somedomain.com',
+        password: 'somepassword',
+        email: 'someemail@somedomain.com',
+      }),
+    });
+    this.objectId = signUpResponse.data.objectId;
+    this.sessionToken = signUpResponse.data.sessionToken;
+    this.partialSessionToken = this.sessionToken.slice(0, 3);
+  });
+
+  describe('on session token', function() {
+    it('should not work with regex', async function() {
+      try {
+        await request({
+          url: `${serverURL}/users/me`,
+          method: 'POST',
+          headers,
+          body: JSON.stringify({
+            ...keys,
+            _SessionToken: {
+              $regex: this.partialSessionToken,
+            },
+            _method: 'GET',
+          }),
+        });
+        fail('should not work');
+      } catch (e) {
+        expect(e.data.code).toEqual(209);
+        expect(e.data.error).toEqual('Invalid session token');
+      }
+    });
+
+    it('should work with plain token', async function() {
+      const meResponse = await request({
+        url: `${serverURL}/users/me`,
+        method: 'POST',
+        headers,
+        body: JSON.stringify({
+          ...keys,
+          _SessionToken: this.sessionToken,
+          _method: 'GET',
+        }),
+      });
+      expect(meResponse.data.objectId).toEqual(this.objectId);
+      expect(meResponse.data.sessionToken).toEqual(this.sessionToken);
+    });
+  });
+
+  describe('on verify e-mail', function() {
+    beforeEach(async function() {
+      const userQuery = new Parse.Query(Parse.User);
+      this.user = await userQuery.get(this.objectId, { useMasterKey: true });
+    });
+
+    it('should not work with regex', async function() {
+      expect(this.user.get('emailVerified')).toEqual(false);
+      await request({
+        url: `${serverURL}/apps/test/verify_email?username=someemail@somedomain.com&token[$regex]=`,
+        method: 'GET',
+      });
+      await this.user.fetch({ useMasterKey: true });
+      expect(this.user.get('emailVerified')).toEqual(false);
+    });
+
+    it('should work with plain token', async function() {
+      expect(this.user.get('emailVerified')).toEqual(false);
+      // It should work
+      await request({
+        url: `${serverURL}/apps/test/verify_email?username=someemail@somedomain.com&token=${this.user.get(
+          '_email_verify_token'
+        )}`,
+        method: 'GET',
+      });
+      await this.user.fetch({ useMasterKey: true });
+      expect(this.user.get('emailVerified')).toEqual(true);
+    });
+  });
+
+  describe('on password reset', function() {
+    beforeEach(async function() {
+      this.user = await Parse.User.logIn(
+        'someemail@somedomain.com',
+        'somepassword'
+      );
+    });
+
+    it('should not work with regex', async function() {
+      expect(this.user.id).toEqual(this.objectId);
+      await request({
+        url: `${serverURL}/requestPasswordReset`,
+        method: 'POST',
+        headers,
+        body: JSON.stringify({
+          ...keys,
+          _method: 'POST',
+          email: 'someemail@somedomain.com',
+        }),
+      });
+      await this.user.fetch({ useMasterKey: true });
+      const passwordResetResponse = await request({
+        url: `${serverURL}/apps/test/request_password_reset?username=someemail@somedomain.com&token[$regex]=`,
+        method: 'GET',
+      });
+      expect(passwordResetResponse.status).toEqual(302);
+      expect(passwordResetResponse.headers.location).toMatch(
+        `\\/invalid\\_link\\.html`
+      );
+      await request({
+        url: `${serverURL}/apps/test/request_password_reset`,
+        method: 'POST',
+        body: {
+          token: { $regex: '' },
+          username: 'someemail@somedomain.com',
+          new_password: 'newpassword',
+        },
+      });
+      try {
+        await Parse.User.logIn('someemail@somedomain.com', 'newpassword');
+        fail('should not work');
+      } catch (e) {
+        expect(e.code).toEqual(101);
+        expect(e.message).toEqual('Invalid username/password.');
+      }
+    });
+
+    it('should work with plain token', async function() {
+      expect(this.user.id).toEqual(this.objectId);
+      await request({
+        url: `${serverURL}/requestPasswordReset`,
+        method: 'POST',
+        headers,
+        body: JSON.stringify({
+          ...keys,
+          _method: 'POST',
+          email: 'someemail@somedomain.com',
+        }),
+      });
+      await this.user.fetch({ useMasterKey: true });
+      const token = this.user.get('_perishable_token');
+      const passwordResetResponse = await request({
+        url: `${serverURL}/apps/test/request_password_reset?username=someemail@somedomain.com&token=${token}`,
+        method: 'GET',
+      });
+      expect(passwordResetResponse.status).toEqual(302);
+      expect(passwordResetResponse.headers.location).toMatch(
+        `\\/choose\\_password\\?token\\=${token}\\&`
+      );
+      await request({
+        url: `${serverURL}/apps/test/request_password_reset`,
+        method: 'POST',
+        body: {
+          token,
+          username: 'someemail@somedomain.com',
+          new_password: 'newpassword',
+        },
+      });
+      const userAgain = await Parse.User.logIn(
+        'someemail@somedomain.com',
+        'newpassword'
+      );
+      expect(userAgain.id).toEqual(this.objectId);
+    });
+  });
+});

@@ -105,6 +105,10 @@ export function handleParseHeaders(req, res, next) {
     }
   }
 
+  if (info.sessionToken && typeof info.sessionToken !== 'string') {
+    info.sessionToken = info.sessionToken.toString();
+  }
+
   if (info.clientVersion) {
     info.clientSDK = ClientSDK.fromString(info.clientVersion);
   }

@@ -11,7 +11,10 @@ const views = path.resolve(__dirname, '../../views');
 
 export class PublicAPIRouter extends PromiseRouter {
   verifyEmail(req) {
-    const { token, username } = req.query;
+    const { username, token: rawToken } = req.query;
+    const token =
+      rawToken && typeof rawToken !== 'string' ? rawToken.toString() : rawToken;
+
     const appId = req.params.appId;
     const config = Config.get(appId);
 
@@ -122,7 +125,9 @@ export class PublicAPIRouter extends PromiseRouter {
       return this.missingPublicServerURL();
     }
 
-    const { username, token } = req.query;
+    const { username, token: rawToken } = req.query;
+    const token =
+      rawToken && typeof rawToken !== 'string' ? rawToken.toString() : rawToken;
 
     if (!username || !token) {
       return this.invalidLink(req);
@@ -158,7 +163,9 @@ export class PublicAPIRouter extends PromiseRouter {
       return this.missingPublicServerURL();
     }
 
-    const { username, token, new_password } = req.body;
+    const { username, new_password, token: rawToken } = req.body;
+    const token =
+      rawToken && typeof rawToken !== 'string' ? rawToken.toString() : rawToken;
 
     if ((!username || !token || !new_password) && req.xhr === false) {
       return this.invalidLink(req);