SecurityReason - Format string in McAfee Framework 3.6.0.569 (ePolicy Orchestrator 4.0)

Advisory Text :

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Luigi Auriemma

Application: McAfee Framework
(implemented in McAfee ePolicy Orchestrator 4.0

http://www.mcafee.com/us/enterprise/products/system_security_management/
epolicy_orchestrator.html)
Versions: <= 3.6.0.569
Platforms: Windows
Bug: format string in _naimcomn_Log
Exploitation: remote
Date: 12 Mar 2008
Author: Luigi Auriemma
e-mail: aluigi (at) autistici (dot) org [email concealed]
web: aluigi.org

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1) Introduction
2) Bug
3) The Code
4) Fix

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===============
1) Introduction
===============

McAfee Framework is a framework used for building various services for
the McAfee products.
These services include HTTP servers and agents implemented, for
example, in McAfee ePolicy Orchestrator and possibly other products.

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2) Bug
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The logDetail function of applib.dll (which is just a link to
naimcomn_LogDetailW -> _naimcomn_Log in nailog2.dll) is used for adding
new log entries and is affected by a format string vulnerability caused
by the calling of vsnwprintf without the needed format argument.

In McAfee ePolicy Orchestrator this vulnerability can be exploited
through the sending of a simple UDP packet with a malformed sender,
package or computer field. The output log file Agent_HOSTNAME.log is
located in the Db folder.

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3) The Code
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http://aluigi.org/poc/meccaffi.zip

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4) Fix
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No fix

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Luigi Auriemma
http://aluigi.org