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>> MediaWiki "Edit Comment" Feature Remote Denial of Service Vulnerability

Title : MediaWiki "Edit Comment" Feature Remote Denial of Service Vulnerability
VUPEN ID : VUPEN/ADV-2006-0392
CVE ID : GENERIC-MAP-NOMATCH
Rated as : Low Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2006-02-01


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format 

A vulnerability has been identified in MediaWiki, which could be exploited by remote attackers to cause a denial of service. This flaw is due to an infinite loop in the "Edit Comment" feature that does not properly handle malformed links, which could be exploited by remote attackers to cause a denial of service by editing an arbitrary comment.

Affected Products

MediaWiki versions prior to 1.5.6
MediaWiki versions prior to 1.4.14

Solution

Upgrade to MediaWiki version 1.5.6 or 1.4.14 :
http://sourceforge.net/projects/wikipedia/

References

http://www.vupen.com/english/advisories/2006/0392
http://sourceforge.net/forum/forum.php?forum_id=531472

Credits

Vulnerability reported by the vendor

ChangeLog

2006-02-01 : Initial release

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