bugtraq - Secunia Research: Mozilla Firefox Floating Point Memory Allocation Vulnerability

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Date: Wed, 28 Oct 2009 09:58:05 +0100
From: Secunia Research <remove-vuln@...unia.com>
To: bugtraq@...urityfocus.com
Subject: Secunia Research: Mozilla Firefox Floating Point Memory Allocation Vulnerability

====================================================================== 

                     Secunia Research 28/10/2009

  - Mozilla Firefox Floating Point Memory Allocation Vulnerability -

====================================================================== 
Table of Contents

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

====================================================================== 
1) Affected Software 

* Mozilla Firefox 3.0.14 and 3.5.3.

NOTE: Prior versions may also be affected.

====================================================================== 
2) Severity 

Rating: Highly critical
Impact: System access
Where:  Remote

====================================================================== 
3) Vendor's Description of Software 

"The award-winning Firefox Web browser has security, speed and new 
features that will change the way you use the Web. Don’t settle for 
anything less."

Product Link:
http://www.mozilla.com/firefox/

====================================================================== 
4) Description of Vulnerability

Secunia Research has discovered a vulnerability in Mozilla Firefox, 
which can be exploited by malicious people to compromise a user's 
system.

The vulnerability is caused due to an array indexing error while 
allocating space for floating point numbers. This can be exploited to 
trigger a memory corruption when a specially crafted floating point 
number is processed.

Successful exploitation allows execution of arbitrary code.

====================================================================== 
5) Solution

Update to version 3.0.15 or 3.5.4.

====================================================================== 
6) Time Table 

14/09/2009 - Vendor notified.
14/09/2009 - Vendor response.
28/10/2009 - Public disclosure.

====================================================================== 
7) Credits 

Discovered by Alin Rad Pop, Secunia Research.

====================================================================== 
8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2009-1563 for the vulnerability.

====================================================================== 
9) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://secunia.com/advisories/business_solutions/

Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private 
individuals, who are interested in or concerned about IT-security.

http://secunia.com/advisories/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the 
security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:

http://secunia.com/corporate/jobs/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/advisories/mailing_lists/

====================================================================== 
10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2009-35/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

======================================================================