Vulnerability Note VU#609956

Mozilla products vulnerable to memory corruption in the JavaScript engine

Overview

A vulnerability in the Mozilla JavaScript engine may allow execution of arbitrary code or denial of service.

I. Description

The Mozilla JavaScript 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 2007-12:

Some of these crashes that showed evidence of memory corruption under certain circumstances and we presume that with enough effort at least some of these could be exploited to run arbitrary code.

Information about the individual bug reports addressed in this update can be found in Mozilla Foundation Security Advisory 2007-12.

II. Impact

Potential consequences include remote execution of arbitrary code and denial of service.

III. Solution

Upgrade

These vulnerabilities are addressed in Firefox 2.0.0.4, Firefox 1.5.0.12, Thunderbird 2.0.0.4, Thunderbird 1.5.0.12, SeaMonkey 1.0.9, SeaMonkey 1.1.2.

Users that are unable to update should consider the following workaround:

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

Vendor	Status	Date Notified	Date Updated
Mozilla	Vulnerable	31-May-2007

References

Credit

These vulnerabilities were reported in Mozilla Foundation Security Advisory 2007-12. Mozilla credits Brendan Eich, Igor Bukanov, Jesse Ruderman, moz_bug_r_a4 and Wladimir Palant with reporting these issues.

This document was written by Chris Taschner.

Other Information

Date Public:	2007-05-31
Date First Published:	2007-05-31
Date Last Updated:	2007-06-20
CERT Advisory:
CVE-ID(s):	CVE-2007-2868
NVD-ID(s):	CVE-2007-2868
US-CERT Technical Alerts:
Metric:	8.19
Document Revision:	35

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Produced 2007 by US-CERT, a government organization
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