US-CERT Technical Cyber Security Alert TA08-087A -- Mozilla Updates for Multiple Vulnerabilities




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National Cyber Alert System

Technical Cyber Security Alert TA08-087A


Mozilla Updates for Multiple Vulnerabilities

Original release date: March 27, 2008
Last revised: --
Source: US-CERT

Systems Affected

* Mozilla Firefox
* Mozilla Thunderbird
* Mozilla SeaMonkey

Other products based on Mozilla components may also be affected.

Overview

New versions of Firefox, Thunderbird, and SeaMonkey address several
vulnerabilities, the most severe of which could allow a remote
attacker to execute arbitrary code on an affected system.

I. Description

The Mozilla and the SeaMonkey projects have released new versions of
Firefox, Thunderbird and SeaMonkey to address several vulnerabilities.
Further details about these vulnerabilities are available in Mozilla
Foundation Security Advisories and the Vulnerability Notes Database.
An attacker could exploit these vulnerabilities by convincing a user
to view a specially crafted HTML document, such as a web page or an
HTML email message.

II. Impact

While the impacts of the individual vulnerabilities vary, the most
severe could allow a remote, unauthenticated attacker to execute
arbitrary code on a vulnerable system. An attacker may also be able to
cause a denial of service or execute cross-site scripting attacks.

III. Solution

Upgrade

These vulnerabilities are addressed in Mozilla Firefox 2.0.0.13,
Thunderbird 2.0.0.13, and SeaMonkey 1.1.9.

Disable JavaScript

Some of these vulnerabilities can be mitigated by disabling JavaScript
or by using the NoScript extension. For more information about
configuring Firefox, please see the Securing Your Web Browser
document. Thunderbird disables JavaScript by default.

IV. References

* US-CERT Vulnerability Notes -
<http://www.kb.cert.org/vuls/byid?searchview&query=mozilla_200803>

* Securing Your Web Browser -
<http://www.us-cert.gov/reading_room/securing_browser/browser_security.html#Mozilla_Firefox>

* Mozilla Foundation Security Advisories -
<http://www.mozilla.org/security/announce/>

* Known Vulnerabilities in Mozilla Products -
<http://www.mozilla.org/projects/security/known-vulnerabilities.html>

* Mozilla Hall of Fame -
<http://www.mozilla.org/university/HOF.html>

* NoScript Firefox Extension - <http://noscript.net/>

_________________________________________________________________

The most recent version of this document can be found at:

<http://www.us-cert.gov/cas/techalerts/TA08-087A.html>
_________________________________________________________________

Feedback can be directed to US-CERT Technical Staff. Please send
email to <cert@xxxxxxxx> with "TA08-087A Feedback VU#466521" in the
subject.
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For instructions on subscribing to or unsubscribing from this
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Produced 2008 by US-CERT, a government organization.

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Revision History

March 27, 2008: Initial release
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