5741.txt

This is the snapshot of Snot Latest Rules

Rule: 

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Sid: 
5741

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Summary: 
This event is generated when a malicious Microsoft Help file has been detected being downloaded by a client.

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Impact: 
Possible code execution.

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Detailed Information:
HTML Help Workshop fails to properly validate file contents before reading and putting information into a fixed length buffer. A malicious file may contain information that could overflow the buffer and execute code on the affected system.

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Affected Systems:
Microsoft HTML Help Workshop 4.74 and prior

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Attack Scenarios: 
An attacker could entice a user to download a malicious Help file (.hpp) and include code of their choosing to be executed on the host.

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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: 
Apply the appropriate vendor supplied patches.

Upgrade to the latest non-affected version of the software.

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Contributors:
Sourcefire Vulnerability Research Team

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Additional References:

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