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Category:   Application (Forum/Board/Portal)  >   MediaWiki Vendors:   wikipedia.sourceforge.net
MediaWiki Input Validation Holes Let Remote Users Inject SQL and Conduct Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1011685
SecurityTracker URL:  http://securitytracker.com/id/1011685
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Oct 14 2004
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): prior to 1.3.6
Description:   Several input validation vulnerabilities were reported in MediaWiki. A remote user can inject SQL commands. A remote user can also conduct cross-site scripting attacks.

The vendor reported that the code does not properly validate user-supplied input.

A remote user can supply specially crafted input to execute SQL commands on the underlying database.

A remote user can also cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the MediaWiki 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 UnicodeConverter extension is affected (but is not enabled by default).

When a target user performs a raw page view (View Source) of a malicious wiki page, cross-site scripting attacks can be triggered.

Cross-site scripting flaws reside in the SpecialIpblocklist and SpecialEmailuser variables.

Cross-site scripting and SQL injection flaws reside in the SpecialMaintenance variable.

Cross-site scripting flaws also reside in ImagePage.

Impact:   A remote user can inject SQL commands to be executed by the underlying database.

A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the MediaWiki 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 released a fixed version (1.3.6), available at:

http://sourceforge.net/project/showfiles.php?group_id=34373

Vendor URL:  wikipedia.sourceforge.net/ (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.


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