Rule:

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Sid:
2671

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

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Impact:
A successful attack can cause a buffer overflow and present the attacker with the opportunity to execute code of their choosing on a vulnerable system.

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Detailed Information:
An error in the processing of bitmap images exists in Internet Explorer that can present an attacker with the opportunity to execute code of their choosing on a vulnerable system.

The error exists due to poor boundary checking in the processing of bitmap images.

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Affected Systems:
Microsoft Windows using Internet Explorer

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Attack Scenarios:
An attacker would need to supply a malformed bitmap image either in a web page or possibly via HTML email to a victim 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:
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
Matt Watchinski <mwatchinski@sourcefire.com>
Brian Caswell <bmc@sourcefire.com>
Nigel Houghton <nigel.houghton@sourcefire.com>

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Additional References:

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