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.

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.

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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.

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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.

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Disable JavaScript

This vulnerability can be mitigated by disabling JavaScript.

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Vendor Information

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Mozilla, Inc. __ Unknown

Updated: July 27, 2006

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Refer to <http://www.mozilla.org/security/announce/2006/mfsa2006-50.html&gt;.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23655892 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://www.mozilla.org/security/announce/2006/mfsa2006-50.html&gt;
• <https://bugzilla.mozilla.org/show_bug.cgi?id=336409&gt;
• <https://bugzilla.mozilla.org/show_bug.cgi?id=336410&gt;
• <https://bugzilla.mozilla.org/show_bug.cgi?id=338001&gt;
• <https://bugzilla.mozilla.org/show_bug.cgi?id=338121&gt;
• <https://bugzilla.mozilla.org/show_bug.cgi?id=342960&gt;
• <http://secunia.com/advisories/19873/&gt;
• <http://secunia.com/advisories/21216/&gt;
• <http://www.securityfocus.com/bid/19181&gt;

Acknowledgements

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

CVE IDs:	CVE-2006-3806
Severity Metric:	19.24 Date Public: