Title: Microsoft HTML Help Workshop '.hhp' File Handling Buffer Overflow Vulnerability
Severity: HIGH
Description:
Microsoft HTML Help Workshop is part of the Microsoft Office Resource Kit and is used to create help topics that may be integrated with the Office Help system.
Microsoft HTML Help Workshop is prone to a remote buffer-overflow vulnerability because the application fails to perform boundary checks before copying user-supplied data into sensitive process buffers.
The vulnerability occurs when the application handles an HTML Help Workshop Project ('.hhp') file containing excessive data as part of the 'Index file' field. This can corrupt memory corruption and allow arbitrary code to run in the context of the vulnerable application.
This vulnerability affects HTML Help Workshop 4.74 and prior versions.
Affected Products:
- Microsoft HTML Help Workshop 4.74
References:
- Microsoft: HTML Help Workshop
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