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buffer overflow in unace (linux extractor for .ace files)


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Date: 09 Nov 2003 21:30:42 +0200
From: "Andreas Constantinides (MegaHz)" <[email protected]>
To: [email protected]
Subject: buffer overflow in unace (linux extractor for .ace files)

Hello,

I have discover a realy simple buffer overflow in unace(www.winace.com)
command.

normally if you put a wrong filename:
[root@megahz root]# ./unace e aa.ace
 
UNACE v2.2     Copyright by ACE Compression Software       May  9 2002
10:59:42
                                                                           
Error: No such archive found:
 /root/aa.ace
[root@megahz root]#

the buffer overflow [root@megahz root]# ./unace e aaaaaa(a*600).ace UNACE v2.2 Copyright by ACE Compression Software May 9 2002 10:59:42 Segmentation fault [root@megahz root]#
winace was contacted about this. MegaHz www.megahz.org www.cyhackportal.com

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