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>> Trend Micro Products SSAPI Path Name Handling Buffer Overflow Vulnerability

Title : Trend Micro Products SSAPI Path Name Handling Buffer Overflow Vulnerability
VUPEN ID : VUPEN/ADV-2007-2935
CVE ID : CVE-2007-3873
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2007-08-22


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

A vulnerability has been identified in Trend Micro PC-cillin Internet Security and Anti-Spyware, which could be exploited by attackers to cause a denial of service or take complete control of an affected system. This issue is caused by a buffer overflow error in the SSAPI module within the "vstlib32.dll" library when processing a file with an overly long path name, which could be exploited by an attacker to execute arbitrary code with SYSTEM privileges by creating a specially crafted file on a system being protected with a vulnerable application (e.g. via an accessible network share).

Affected Products

Trend Micro PC-cillin Internet Security 2007 version 15.0
Trend Micro PC-cillin Internet Security 2007 version 15.2
Trend Micro PC-cillin Internet Security 2007 version 15.3
Trend Micro PC-cillin Internet Security 2007 version 15.2
Trend Micro AntiSpyware version 3.5

Solution

Apply patch for Trend Micro PC-cillin Internet Security 2007 :
ftp://conftpuser:consumer-trend@ftp-download.trendmicro.com.ph/consumer/Tools/Hotfix/pcc_2007_1530_win_en_ssapi_5_2_1028.exe

Apply patch for Trend Micro Anti-Spyware for Consumer 3.5 (32-bit) :
ftp://conftpuser:consumer-trend@ftp-download.trendmicro.com.ph/consumer/Tools/Hotfix/ssapi_52_win_en_hfb1028_32bit.exe

Apply patch for Trend Micro Anti-Spyware for Consumer 3.5 (64-bit) :
ftp://conftpuser:consumer-trend@ftp-download.trendmicro.com.ph/consumer/Tools/Hotfix/ssapi_52_win_en_hfb1028_64bit.exe

References

http://www.vupen.com/english/advisories/2007/2935
http://esupport.trendmicro.com/support/viewxml.do?ContentID=EN-1035845
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=586

Credits

Vulnerability reported by Ismael Briones and iDefense Labs.

ChangeLog

2007-08-22 : Initial release

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