full-disclosure - EEYE: Windows Shell ZIP File Decompression DUNZIP32.DLL Buffer Overflow Vulnerability

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Message-ID: <200410131112.51794.jstewart@lurhq.com>
From: jstewart at lurhq.com (Joe Stewart)
Subject: EEYE: Windows Shell ZIP File Decompression DUNZIP32.DLL Buffer Overflow Vulnerability

A few things I've noticed with this advisory: eEye states that the 
vulnerability is an overflow in dunzip32.dll and that MS04-034 fixes 
it. However, from what I've seen MS04-034 only patches zipfldr.dll. 
Further, MS04-034 claims that Windows ME is not vulnerable, while eEye 
says it is. Also, eEye says that the dunzip32.dll overflow is an issue 
for XP, yet I am unable to find dunzip32.dll on a stock XP SP1 system. 
Is it possible that the eEye release and the MS04-034 bulletin are 
talking about two separate issues?

-Joe

-- 
Joe Stewart, GCIH 
Senior Security Researcher
LURHQ http://www.lurhq.com/