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Date: 6 Feb 2004 17:55:44 -0000
From: Bipin Gautam. <door_hunt3r@...ckcodemail.com>
To: bugtraq@...urityfocus.com
Subject: Re: Decompression Bombs [...missed something]


In-Reply-To: <401FD489.8070602@...asec.de>


isn't the concept same as the one I produced 3 months ago in...
http://www.securityfocus.com/bid/8572/info/

indeed the replica... of my old concept!

[... fine, A new class of bug! & in the wild AGAIN ]


>As a followup to http://www.securityfocus.com/bid/9393/, where we 
>pointed out vulnerabilities of some antivirus-gateways while 
>decompressing bzip2-bombs, we were interested in the behaviour of 
>various applications that process compressed data.
>
>>We've created several bombs (bzip2, gzip, zip, mime-embedded bombs, png 
>and gif graphics, openoffice zip bombs). With these we tested some more 
>applications like additional antivirus engines, various web browsers, 
>openoffice.org, and the Gimp.
>
>As a result, much more applications as we thought crashed. The 
>manufacturers of software should care more about the processing of 
>untrusted input.
>
>For details see our full advisory, written by Dr. Peter Bieringer: 
>http://www.aerasec.de/security/advisories/decompression-bomb-vulnerability.html


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