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Message-ID: <40CD9C2F.9080806@emmanuelcomputerconsulting.com>
From: hescominsoon at emmanuelcomputerconsulting.com (William Warren)
Subject: Multiple Antivirus Scanners DoS attack. [summery]
You can dos any machine with big enough files if they run out of
partition(linux) or hard disk or memory space(windows). I had somebody
show me this with a 20 gig bzipped null character attachment last year
on this list.
bipin gautam wrote:
> Multiple Antivirus Scanners DoS attack.
>
>
>
> --- [Vulnerable Products] ---
>
> Only tested on...
>
> * Norton Antivirus 2002
> * Norton Antivirus 2003
>
> * Mcafee VirusScan 6
> * Network Associates (McAfee) VirusScan Enterprise 7.1
>
> * F-Prot 4.4.2 for Linux
>
> * Rav Antivirus online Scanner [Couldn't complete the
> scan...]
>
> * Windows Xp default ZIP manager [report's wrong size
> of compress ZIP files.]
>
> Risk Impact: Medium
>
> --- [Details] ---
> While having a manual scan of compressed files;
> several Antivirus, Trojan, Spy ware scanners suffer a
> DoS attack if the software tries to completely extract
> the archive and scan its content for a hostile file.
>
> --- [Proof of Concept] ---
>
> Please download this file.
>
> http://www.geocities.com/visitbipin/SERVER_dwn.zip
>
> Moreover it's not safe to set automatically
> 'Quarantine/delete' option set for your AV scanner as
> it may try to Quarantine the virus by extracting the
> archive.
>
>
> -----------
>
> Bipin Gautam
> http://www.geocities.com/visitbipin/
>
> Disclaimer: The information in the advisory is
> believed to be accurate at the time of printing based
> on currently available information. Use of the
> information constitutes acceptance for use in an AS IS
> condition. There are no warranties with regard to this
> information. Neither the author nor the publisher
> accepts any liability for any direct, indirect or
> consequential loss or damage arising from use of, or
> reliance on this information.
>
>
>
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--
My "Foundation" verse:
Isa 54:17 No weapon that is formed against thee shall prosper; and
every tongue that shall rise against thee in judgment thou shalt
condemn. This is the heritage of the servants of the LORD, and their
righteousness is of me, saith the LORD.
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