Rule

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Sid
23407

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

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Impact:
Denial of Service. Information disclosure. Loss of integrity. 

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Detailed Information:
Format string vulnerability in Apple iChat 3.1.6 allows remote attackers to cause a denial of service (null pointer dereference and application crash) and possibly execute arbitrary code via format string specifiers in an aim:// URI.

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Affected Systems:
apple ichat 3.1.6

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Attack Scenarios:
Format string vulnerabilities can be very simple to attack. Any program that reads a format string as an input parameter can be exploited if the argument can be controlled by the attacker.

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Ease of Attack:
Medium.

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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-2007-0021:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2007-0021
 
Common Weakness Enumeration:
http://cwe.mitre.org/data/definitions/134.html
 
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