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Insecure Library Loading
Moderately critical

Trend Micro OfficeScan CGI Module and Policy Server Buffer Overflows

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Release Date:  2008-02-28    Last Update:  2008-03-28    Views:  17,423

Secunia Advisory SA29124

Where:

From local network

Impact:

DoS, System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Luigi Auriemma has discovered some vulnerabilities in Trend Micro OfficeScan, which can be exploited by malicious people to cause a DoS (Denial of Service) or compromise a vulnerable system.

1) A boundary error in cgiChkMasterPwd.exe can be exploited to cause a stack-based buffer overflow via an HTTP request with a specially crafted, overly long "TMLogonEncrypted" parameter.

Successful exploitation allows execution of arbitrary code.

2) Boundary errors in PolicyServer.exe can be exploited to cause stack-based buffer overflows via an HTTP request to the cgiABLogon.exe CGI module with a specially crafted, overly long "pwd" parameter.

Successful exploitation allows execution of arbitrary code but requires that the Trend Micro Policy Server for Cisco NAC is installed.

Other errors, e.g. NULL-pointer dereference errors in certain CGI modules when handling HTTP requests containing certain characters or with invalid "Content-Length" headers, have also been reported.

The vulnerabilities are confirmed in version 7.3 with Patch 3 build 1314. Other versions may also be affected.


Solution:
Apply patches.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Luigi Auriemma

Original Advisory:
Trend Micro:
http://www.trendmicro.com/ftp/documentation/readme/OSCE_6.5_Win_EN_CriticalPatch_B1467_readme.txt
http://www.trendmicro.com/ftp/documentation/readme/OSCE_7.0_Win_EN_CriticalPatch_B1386_readme.txt
http://www.trendmicro.com/ftp/documentation/readme/NEW_OSCE_7_3_Win_EN_CriticalPatch_B1337_readme.txt

Luigi Auriemma:
http://aluigi.altervista.org/adv/officescaz-adv.txt

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Trend Micro OfficeScan CGI Module and Policy Server Buffer Overflows

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