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Category:   Application (Generic)  >   Adobe Connect Vendors:   Adobe Systems Incorporated
Adobe Connect Input Validation Flaws Let Remote Users Conduct Clickjacking, Cross-Site Scripting, and Server-Side Request Forgery Attacks
SecurityTracker Alert ID:  1039799
SecurityTracker URL:  http://securitytracker.com/id/1039799
CVE Reference:   CVE-2017-11287, CVE-2017-11288, CVE-2017-11289, CVE-2017-11290, CVE-2017-11291   (Links to External Site)
Date:  Nov 14 2017
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9.6.2 and prior
Description:   Multiple vulnerabilities were reported in Adobe Connect. A remote user can conduct server-side request forgery attacks. A remote user can conduct click-jacking attacks. A remote user can conduct cross-site scripting attacks.

A remote user can submit a specially crafted request to conduct server-side request forgery attacks cause the target server to connect to hosts and ports on the target server's network [CVE-2017-11291].

The software does not properly filter HTML code from user-supplied input before displaying the input [CVE-2017-11287, CVE-2017-11288, CVE-2017-11289]. A remote user can cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the Adobe Connect software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

A remote user can hijack a target user's mouse clicks to take actions on the site acting as the target user [CVE-2017-11290].

Adam Willard of Blue Canopy, Alexis Laborier, Deniz CEVIK from Biznet Bilisim A.S, and Pedro Cardoso reported these vulnerabilities.

Impact:   A remote user can take actions on the target system acting as the target authenticated user.

A remote user can conduct clickjacking attacks.

A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Adobe Connect software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

Solution:   The vendor has issued a fix (9.7).

The vendor advisory is available at:

https://helpx.adobe.com/security/products/connect/apsb17-35.html

Vendor URL:  helpx.adobe.com/security/products/connect/apsb17-35.html (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Windows (2008), Windows (2012)

Message History:   None.


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