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Vulnerability Note VU#447772

Mozilla JavaScript Engine multiple memory corruption vulnerabilities

Overview

Several vulnerabilities exists in the Mozilla JavaScript Engine that may allow a remote attacker to compromise a vulnerable system.

I. Description

The Mozilla JavaScript Engine contains multiple vulnerabilities that may result in memory corruption. According to the 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.

II. Impact

A remote, unauthenticated attacker may be able to cause an affected application to crash, thereby causing a denial of service. The Mozilla foundation indicates that some of these underlying vulnerabilities may allow an attacker to execute arbitrary code, however the potential for this impact is unclear and has not been confirmed.

III. Solution

Apply an update

According to the Mozilla Foundation Security Advisory 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

VendorStatusDate NotifiedDate Updated
Debian GNU/LinuxVulnerable5-Apr-2007
Fedora ProjectVulnerable18-Jan-2007
Gentoo LinuxVulnerable18-Jan-2007
Mandriva, Inc.Vulnerable18-Jan-2007
MozillaVulnerable21-Dec-2006
Red Hat, Inc.Vulnerable18-Jan-2007
rPathVulnerable18-Jan-2007
Slackware Linux Inc.Vulnerable18-Jan-2007
SUSE LinuxVulnerable18-Jan-2007
UbuntuVulnerable18-Jan-2007

References


https://bugzilla.mozilla.org/show_bug.cgi?id=352846
https://bugzilla.mozilla.org/show_bug.cgi?id=356238
https://bugzilla.mozilla.org/show_bug.cgi?id=357063
https://bugzilla.mozilla.org/show_bug.cgi?id=358192
https://bugzilla.mozilla.org/show_bug.cgi?id=362180
https://bugzilla.mozilla.org/show_bug.cgi?id=353214
https://bugzilla.mozilla.org/show_bug.cgi?id=356402
https://bugzilla.mozilla.org/show_bug.cgi?id=361346
https://bugzilla.mozilla.org/show_bug.cgi?id=361552
https://bugzilla.mozilla.org/show_bug.cgi?id=361964
http://secunia.com/advisories/23591/
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://www.securityfocus.com/bid/21668
http://secunia.com/advisories/23988/
http://www.auscert.org.au/7372
http://secunia.com/advisories/24390/

Credit

This issue is address in Mozilla Foundation Security Advisory 2006-68. Mozilla credits Igor Bukanov, Jesse Ruderman and moz_bug_r_a4 with providing information about this issue.

This document was written by Chris Taschner.

Other Information

Date Public:2006-12-19
Date First Published:2007-01-18
Date Last Updated:2007-04-05
CERT Advisory: 
CVE-ID(s):CVE-2006-6498
NVD-ID(s):CVE-2006-6498
US-CERT Technical Alerts: 
Metric:3.64
Document Revision:30

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