HTTP: Microsoft HTML Help '.chm' File Stack Buffer Overflow Vulnerability
This signature detects attempts to exploit a known vulnerability in Microsoft HTML Help. A successful attack can lead to a buffer overflow and arbitrary remote code execution within the context of the client.
Extended Description
Microsoft HTML Help is prone to a remote stack-based buffer-overflow vulnerability. The vulnerability occurs when the application handles a malformed Microsoft HTML Help file ('.chm'). An attacker may exploit the issue to execute arbitrary code in the context of the application. Failed exploit attempts likely result in denial-of-service conditions.
Affected Products
Microsoft html_help
Short Name
HTTP:STC:DL:MSHTML-HELP
Severity
Major
Recommended
False
Recommended Action
Drop
Category
HTTP
Keywords
'.chm' Buffer CVE-2009-0119 File HTML Help Microsoft Overflow Stack Vulnerability bid:33204 bid:47330
Release Date
04/26/2011
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3336
False Positive
Unknown
Vendors
Microsoft
CVSS Score
10.0