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Last updated: 5/24/2016 7:39:42 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2007-3873

Original release date: 08/22/2007
Last revised: 03/07/2011


Stack-based buffer overflow in vstlib32.dll in the SSAPI Engine through in Trend Micro AntiSpyware 3.5 and PC-Cillin Internet Security 2007 15.0 through 15.3, when the Venus Spy Trap (VST) feature is enabled, allows local users to cause a denial of service (service crash) or execute arbitrary code via a file with a long pathname, which triggers the overflow during a ReadDirectoryChangesW callback notification.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.9 MEDIUM
Impact Subscore: 10.0
Exploitability Subscore: 3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: VUPEN
Name: ADV-2007-2935
External Source: IDEFENSE
Name: 20070820 Trend Micro SSAPI Long Path Buffer Overflow Vulnerability
External Source: BID
Name: 25388
External Source: XF
Name: antispyware-vstlib-bo(36144)
External Source: SECTRACK
Name: 1018592
Type: Advisory; Patch Information
External Source: CONFIRM
Name: http://esupport.trendmicro.com/support/consumer/search.do?cmd=displayKC&externalId=PUB-en-1035845

Technical Details

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