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Category:   Application (Generic)  >   Git Vendors:   kernel.org
GIT gitweb Input Validation Flaw Permits Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1024905
SecurityTracker URL:  http://securitytracker.com/id/1024905
CVE Reference:   CVE-2010-3906   (Links to External Site)
Date:  Dec 16 2010
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): 1.7.3.3 and prior versions
Description:   A vulnerability was reported in GIT. A remote user can conduct cross-site scripting attacks.

The 'gitweb/gitweb.perl' script does not properly filter HTML code from user-supplied input 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 gitweb 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.

Emanuele Gentili 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 gitweb 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 (1.7.3.4).

The vendor's advisory is available at:

http://git.kernel.org/?p=git/git.git;a=commit;h=3017ed62f47ce14a959e2d315c434d4980cf4243

Vendor URL:  git.kernel.org/ (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Dec 22 2010 (Red Hat Issues Fix) GIT gitweb Input Validation Flaw Permits Cross-Site Scripting Attacks
Red Hat has issued a fix for Red Hat Enterprise Linux 6.



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