Rule

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Sid
17630

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Summary:
This event is generated when an attempt is made to exploit a known vulnerability in firefox.

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Impact:
Denial of Service. Information disclosure. Loss of integrity. Complete admin access.

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Detailed Information:
Mozilla Firefox before 2.0.0.16 and 3.x before 3.0.1, Thunderbird before 2.0.0.16, and SeaMonkey before 1.1.11 use an incorrect integer data type as a CSS object reference counter in the CSSValue array (aka nsCSSValue:Array) data structure, which allows remote attackers to execute arbitrary code via a large number of references to a common CSS object, leading to a counter overflow and a free of in-use memory, aka ZDI-CAN-349.

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Affected Systems:
mozilla firefox 2.0
mozilla firefox 2.0.0.1
mozilla firefox 2.0.0.10
mozilla firefox 2.0.0.11
mozilla firefox 2.0.0.12
mozilla firefox 2.0.0.13
mozilla firefox 2.0.0.14
mozilla firefox 2.0.0.15
mozilla firefox 2.0.0.2
mozilla firefox 2.0.0.3
mozilla firefox 2.0.0.4
mozilla firefox 2.0.0.5
mozilla firefox 2.0.0.6
mozilla firefox 2.0.0.7
mozilla firefox 2.0.0.8
mozilla firefox 2.0.0.9
mozilla firefox 3.0

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Attack Scenarios:


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Ease of Attack:
Simple. Exploits exist.

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False Positives:
None known.

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False Negatives:
None known.

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Corrective Action:
Upgrade to the latest non-affected version of the software.

Apply the appropriate vendor supplied patches.

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Contributors:
Sourcefire Vulnerability Research Team
This document was generated from data supplied by the National Vulnerability Database. A product of the National Institute of Standards and Technology.
For more information see http://nvd.nist.gov/

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Additional References:

NIST CVE-2008-2785:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2008-2785
  
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