Vulnerability Monitor

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CVE-2007-3873

Stack-based buffer overflow in vstlib32.dll 1.2.0.1012 in the SSAPI Engine 5.0.0.1066 through 5.2.0.1012 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.

Security Impact Summary

CVE-2007-3873 is a security vulnerability that . Impacting 2 products from trend_micro, from trend_micro organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2007, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2007-08-22T23:17:00.000

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.9 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.4

Impact Score

10.0

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	trend_micro	antispyware	3.5	Yes
Application	trend_micro	pc-cillin_internet_security_2007	15.0	Yes
Application	trend_micro	pc-cillin_internet_security_2007	15.2	Yes
Application	trend_micro	pc-cillin_internet_security_2007	15.2_patch	Yes
Application	trend_micro	pc-cillin_internet_security_2007	15.3	Yes

References

http://esupport.trendmicro.com/support/consumer/search.do?cmd=displayKC&externalId=PUB-en-1035845 ([email protected])
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=586 ([email protected])
http://secunia.com/advisories/26557 Patch, Vendor Advisory ([email protected])
http://securitytracker.com/id?1018592 Patch, Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/25388 ([email protected])
http://www.vupen.com/english/advisories/2007/2935 ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/36144 ([email protected])
http://esupport.trendmicro.com/support/consumer/search.do?cmd=displayKC&externalId=PUB-en-1035845 (af854a3a-2127-422b-91ae-364da2661108)
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=586 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/26557 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://securitytracker.com/id?1018592 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/25388 (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2007/2935 (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/36144 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For trend_micro's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.