Mozilla products vulnerable to heap overflow via miscalculated size during conversion of an image

Overview

A vulnerability exists in Mozilla products that may allow a remote attacker to execute arbitrary code or cause a denial of service.

Description

Mozilla products contain a vulnerability in the CSS cursor property on Microsoft Windows that may result in a crash when handling malicious images. According to the Mozilla Foundation Security Advisory 2006-69:

A miscalculated size during conversion of the image to a Windows bitmap can result in a heap buffer overflow which could be used to compromise the victim’s computer.

Mozilla also states that this flaw affects both Firefox 2 and Firefox 1.5 but not the earlier Firefox 1.0 or Mozilla Suite products.

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Impact

A remote, unauthenticated attacker may be able to execute arbitrary code or cause a denial of service.

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Solution

Apply an update
According to the Mozilla Foundation Security Advisory 2006-69, 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.

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Vendor Information

722244

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Gentoo Linux __ Affected

Updated: January 18, 2007

Status

Affected

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

Gentoo Linux has published advisories GLSA 200701-02, 200701-03, and 200701-04 in response to this issue. Please refer to those advisories for additional details.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23722244 Feedback>).

Mandriva, Inc. __ Affected

Updated: January 18, 2007

Status

Affected

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

Mandriva has published advisories MDKSA-2007:010, and MDKSA-2007:011 in response to this issue. Please refer to those advisories for additional details.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23722244 Feedback>).

Mozilla __ Affected

Updated: December 21, 2006

Status

Affected

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 Mozilla Foundation Security Advisory 2006-69.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23722244 Feedback>).

SUSE Linux __ Affected

Updated: January 18, 2007

Status

Affected

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 SUSE-SA:2007:006.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23722244 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://www.mozilla.org/security/announce/2006/mfsa2006-69.html&gt;
• <https://bugzilla.mozilla.org/show_bug.cgi?id=353553&gt;
• <http://secunia.com/advisories/23591/&gt;
• <http://secunia.com/advisories/23598/&gt;
• <http://secunia.com/advisories/23439/&gt;
• <http://secunia.com/advisories/23514/&gt;
• <http://secunia.com/advisories/23545/&gt;
• <http://secunia.com/advisories/23601/&gt;
• <http://secunia.com/advisories/23614/&gt;
• <http://secunia.com/advisories/23618/&gt;
• <http://secunia.com/advisories/23692/&gt;
• <http://www.securityfocus.com/bid/21668&gt;

Acknowledgements

This issue is addressed in Mozilla Foundation Security Advisory 2006-69. Mozilla credits Frederik Reiss with providing information about this issue.

This document was written by Chris Taschner.

Other Information

CVE IDs:	CVE-2006-6500
Severity Metric:	12.15 Date Public: