Mozilla products vulnerable to privilege escalation via a JavaScript watch() function

Overview

A vulnerability exists in Mozilla products that may allow a remote attacker to gain elevated privileges.

Description

Mozilla products contain a vulnerability in the way the JavaScript watch() function is handled that may result in privilege escalation. According to the Mozilla Foundation Security Advisory 2006-70:

Shutdown demonstrated that it was possible to use a JavaScript watch() to gain elevated privilege.

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Impact

A remote, unauthenticated attacker may be able to gain elevated privileges.

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Solution

Apply an update

According to the Mozilla Foundation Security Advisory 2006-70, 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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Disable JavaScript

For instructions on how to disable JavaScript in Firefox, please refer to the Firefox section of the Securing Your Web Browser document.

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Vendor Information

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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 2006-70.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23263412 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://www.mozilla.org/security/announce/2006/mfsa2006-70.html&gt;
• <https://bugzilla.mozilla.org/show_bug.cgi?id=354978&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;
• <http://secunia.com/advisories/23988/&gt;

Acknowledgements

This issue was reported in Mozilla Foundation Security Advisory 2006-70. Mozilla credits shutdown with providing information about this issue.

This document was written by Chris Taschner.

Other Information

CVE IDs:	CVE-2006-6501
Severity Metric:	24.30 Date Public: