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Vulnerability Note VU#655892

Mozilla JavaScript engine contains multiple integer overflows

Overview

The Mozilla JavaScript engine contains multiple integer overflows. This vulnerability may allow a remote attacker to execute arbitrary code on a vulnerable system.

I. Description

Mozilla products that use the Mozilla JavaScript engine are vulnerable to integer overflows. Specifically, the JavaScript toSource() fails to properly handle malformed strings.

For more information and a complete list of affected products refer to Mozilla Foundation Security Advisory 2006-50.

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 2006-50.

Disable JavaScript

This vulnerability can be mitigated by disabling JavaScript.

Systems Affected

VendorStatusDate NotifiedDate Updated
Mozilla, Inc.Unknown27-Jul-2006

References


http://www.mozilla.org/security/announce/2006/mfsa2006-50.html
https://bugzilla.mozilla.org/show_bug.cgi?id=336409
https://bugzilla.mozilla.org/show_bug.cgi?id=336410
https://bugzilla.mozilla.org/show_bug.cgi?id=338001
https://bugzilla.mozilla.org/show_bug.cgi?id=338121
https://bugzilla.mozilla.org/show_bug.cgi?id=342960
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 2006-50. Mozilla credits Georgi Guninski 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-2006-3806
NVD-ID(s):CVE-2006-3806
US-CERT Technical Alerts: 
Metric:19.24
Document Revision:11

If you have feedback, comments, or additional information about this vulnerability, please send us email.
 

 
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