Description: A vulnerability has been discovered in Microsoft Windows, which can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to a boundary error in the HTML Help ActiveX control (hhctrl.ocx) when handling the "Image" property. This can be exploited to cause a buffer overflow by setting an overly long string multiple times for the property.
Successful exploitation allows execution of arbitrary code.
Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, using the Network Software Inspector.
Provided and/or discovered by: Discovered independently by:
* Cody Pierce, TippingPoint Security Research Team.
* H D Moore
Changelog: 2006-07-10: Added link to US-CERT vulnerability note.
2006-07-11: Added CVE reference.
2006-08-08: Added additional information from Microsoft. Updated "Solution" section.
2006-08-09: Added additional information provided by TippingPoint.
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