Trend Micro AntiSpyware and PC-cillin Internet Security vstlib32.dll buffer overflow
| antispyware-vstlib-bo (36144) |  High Risk |
Description:
Trend Micro AntiSpyware and PC-cillin Internet Security are vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the vstlib32.dll library. By creating a file with an overly long path, a remote attacker with write privileges on the adjacent network could overflow a buffer and execute arbitrary code on the system with SYSTEM privileges, if Venus Spy Trap is enabled.
Platforms Affected:
- Trend Micro, AntiSpyware 3.5
- Trend Micro, PC-cillin Internet Security 2007 15.0
- Trend Micro, PC-cillin Internet Security 2007 15.2
- Trend Micro, PC-cillin Internet Security 2007 15.2 Patch
- Trend Micro, PC-cillin Internet Security 2007 15.3
Remedy:
Refer to [Hot Fix]B1028 for patch, upgrade, or suggested workaround information. See References.
Consequences:
Gain Privileges
References:
- iDefense Labs PUBLIC ADVISORY: 08.21.07, Trend Micro SSAPI Long Path Buffer Overflow Vulnerability at http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=586.
- [Hot Fix]B1028, The SSAPI module crashes once a folder or file exceeds the max_path character limit at http://esupport.trendmicro.com/support/viewxml.do?ContentID=EN-1035845.
- BID-25388: Trend Micro Anti-Spyware And PC-cillin SSAPI Engine Local Stack Buffer Overflow Vulnerability
- 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.
- SA26557: Trend Micro Products SSAPI Module Long Path Processing Buffer Overflow
- SECTRACK ID: 1018592: Trend Micro Anti-Spyware Buffer Overflow in vstlib32.dll Lets Local Users Gain Elevated Privileges
- VUPEN/ADV-2007-2935: Trend Micro Products SSAPI Path Name Handling Buffer Overflow Vulnerability
Reported:
Aug 20, 2007
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