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Category:   Application (E-mail Server)  >   Open-Xchange Vendors:   Open-Xchange Inc.
Open-Xchange Guard Input Validation Flaw in PGP Settings Lets Remote Conduct Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1034166
SecurityTracker URL:  http://securitytracker.com/id/1034166
CVE Reference:   CVE-2015-7385   (Links to External Site)
Date:  Nov 17 2015
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  

Description:   A vulnerability was reported in Open-Xchange Guard. A remote user can conduct cross-site scripting attacks.

The 'Guard PGP Settings' does not properly filter HTML code from user-supplied input in a PGP public key 'User ID' field before displaying the input. 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 Open-Xchange Guard 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.

The vendor was notified on September 25, 2015.

Eduard Hauck reported this vulnerability.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Open-Xchange Guard 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 (2.0.0-rev11) [in September 2015].

The vendor's advisory is available at:

http://software.open-xchange.com/products/guard/doc/Release_Notes_for_Patch_Release_2777_2.0.0_2015-09-30.pdf

Vendor URL:  software.open-xchange.com/products/guard/doc/Release_Notes_for_Patch_Release_2777_2.0.0_2015-09-30.pdf (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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