Vulnerability Note VU#265964

Mozilla products contain a race condition

Overview

Mozilla products contain a race condition. This vulnerability may allow a remote attacker to execute arbitrary code on a vulnerable system.

I. Description

The Mozilla products JavaScript garbage collection process may delete a variable while that variable is still in use. This may corrupt memory in a way that can allow an attacker to execute arbitrary code.

For complete list of affected products refer to Mozilla Foundation Security Advisory 2006-48.

II. Impact

A remote, unauthenticated attacker may be able to execute arbitrary code on a vulnerable system. The attacker could also cause the vulnerable application to crash.

III. Solution

Apply an update

This vulnerability is addressed in Firefox 1.5.0.5, Thunderbird 1.5.0.5, and SeaMonkey 1.0.3, according to the Mozilla Foundation Security Update 2006-48.

Disable JavaScript

This vulnerability can be mitigated by disabling JavaScript.

Systems Affected

Vendor	Status	Date Notified	Date Updated
Mozilla, Inc.	Vulnerable	27-Jul-2006

References

http://www.mozilla.org/security/announce/2006/mfsa2006-48.html
https://bugzilla.mozilla.org/show_bug.cgi?id=344759
https://bugzilla.mozilla.org/show_bug.cgi?id=344960
http://secunia.com/advisories/19873/
http://secunia.com/advisories/21216/
http://www.securityfocus.com/bid/19181

Credit

This vulnerability was reported in Mozilla Foundation Security Advisory 2006-48. Mozilla credits H. D. Moore with reporting this vulnerability.

This document was written by Jeff Gennari.

Other Information

Date Public:	2006-07-25
Date First Published:	2006-07-27
Date Last Updated:	2007-02-09
CERT Advisory:
CVE-ID(s):	CVE-2006-3803
NVD-ID(s):	CVE-2006-3803
US-CERT Technical Alerts:
Metric:	16.03
Document Revision:	13

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Produced 2006 by US-CERT, a government organization
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