Re: Decompression Bombs [...missed something]

[Bipin Gautam. <door_hunt3r () blackcodemail com>]

In-Reply-To: <401FD489.8070602 () aerasec 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