GEN:SID | 1:2671 |
Message | WEB-CLIENT bitmap BitmapOffset integer overflow attempt |
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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Corrective Action | Upgrade to the latest non-affected version of the software.
Apply the appropriate vendor supplied patches.
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Additional References | Microsoft: http://www.microsoft.com/technet/security/bulletin/ms04-025.mspx
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Rule References | bugtraq: 9663
cve: 2004-0566
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