[NT] St. Bernard Open File Manager Heap Overflow Vulnerability

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St. Bernard Open File Manager Heap Overflow Vulnerability
------------------------------------------------------------------------


SUMMARY

A vulnerability allows attackers to execute arbitrary code on vulnerable
installations of St. Bernard Open File Manager. Authentication is not
required to exploit this vulnerability.

DETAILS

Vulnerable Systems:
* Open File Manager version 9.5

Immune Systems:
* Open File Manager version 9.6 build 602

The specific flaw resides in the Open File Manager service, ofmnt.exe,
which listens by default on a random TCP port near 1000. The process
blindly copies user-suppled data to a static heap buffer. By supplying an
overly large amount of data, an attacker can overflow that buffer leading
to arbitrary code execution in the context of the SYSTEM user.

Vendor Response:
St. Bernard has issued an update to correct this vulnerability. Version
9.6 build 602 available to customers addresses this issue. Other affected
vendors such as Hewlett-Packard have made fixes available to customers as
well.

Disclosure Timeline:
2007.07.20 - Vulnerability reported to vendor
2007.12.17 - Coordinated public release of advisory

CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6281>
CVE-2007-6281


ADDITIONAL INFORMATION

The information has been provided by <mailto:zdi-disclosures@xxxxxxxx>
The Zero Day Initiative (ZDI).
The original article can be found at:
<http://www.zerodayinitiative.com/advisories/ZDI-07-078.html>
http://www.zerodayinitiative.com/advisories/ZDI-07-078.html



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