Vulnerability Note VU#606260

Overview

A vulnerability exists in the Mozilla Layout Engine that may allow a remote attacker to compromise a vulnerable system.

Description

The Mozilla Layout Engine contains an unspecified vulnerability that may result in memory corruption. The impact of this memory corruption is unclear. According to Mozilla Foundation Security Advisory 2006-68: Some of these were crashes that showed evidence of memory corruption and we presume that at least some of these could be exploited to run arbitrary code with enough effort.

Impact

The specific consequences of this vulnerability are not clear, but may include execution of arbitrary code and denial of service.

Solution

Apply an update According to the Mozilla Foundation Security Update 2006-68, this vulnerability is addressed in Firefox 2.0.0.1, Firefox 1.5.0.9, Thunderbird 1.5.0.9, and SeaMonkey 1.0.7.

Disable JavaScript For instructions on how to disable JavaScript in Firefox, please refer to the Firefox section of the Securing Your Web Browser document.

Systems Affected (Learn More)

Vendor	Status	Date Notified	Date Updated
Fedora Project	Affected	-	18 Jan 2007
Gentoo Linux	Affected	-	18 Jan 2007
Mandriva, Inc.	Affected	-	18 Jan 2007
Mozilla	Affected	-	20 Dec 2006
Red Hat, Inc.	Affected	-	18 Jan 2007
rPath	Affected	-	18 Jan 2007
Slackware Linux Inc.	Affected	-	18 Jan 2007
SUSE Linux	Affected	-	18 Jan 2007
Ubuntu	Affected	-	18 Jan 2007

If you are a vendor and your product is affected, let us know.

CVSS Metrics (Learn More)

Group	Score	Vector
Base	N/A	N/A
Temporal	N/A	N/A
Environmental	N/A	N/A

References

• http://www.mozilla.org/security/announce/2006/mfsa2006-68.html
• https://bugzilla.mozilla.org/show_bug.cgi?id=322345
• https://bugzilla.mozilla.org/show_bug.cgi?id=335047
• https://bugzilla.mozilla.org/show_bug.cgi?id=339494
• https://bugzilla.mozilla.org/show_bug.cgi?id=348304
• https://bugzilla.mozilla.org/show_bug.cgi?id=354766
• https://bugzilla.mozilla.org/show_bug.cgi?id=359203
• https://bugzilla.mozilla.org/show_bug.cgi?id=360293
• https://bugzilla.mozilla.org/show_bug.cgi?id=360642
• http://secunia.com/advisories/23420/
• http://secunia.com/advisories/23591/
• http://secunia.com/advisories/23598/
• http://secunia.com/advisories/23439/
• http://secunia.com/advisories/23514/
• http://secunia.com/advisories/23545/
• http://secunia.com/advisories/23601/
• http://secunia.com/advisories/23614/
• http://secunia.com/advisories/23618/
• http://secunia.com/advisories/23692/
• http://secunia.com/advisories/23988/
• http://secunia.com/advisories/23420/
• http://secunia.com/advisories/23591/
• http://secunia.com/advisories/23598/
• http://www.securityfocus.com/bid/21668

Credit

This vulnerability was reported in Mozilla Foundation Security Advisory 2006-68. Mozilla credits Andrew Miller, David Baron, Georgi Guninski, Jesse Ruderman, Olli Pettay and Vladimir Vukicevic with providing information about this issue.

This document was written by Chris Taschner.

Other Information

• CVE IDs: CVE-2006-6497
• Date Public: 19 Dec 2006
• Date First Published: 20 Dec 2006
• Date Last Updated: 07 Feb 2007
• Severity Metric: 4.13
• Document Revision: 29