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Network Security Focus-IDS
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Re: 7-ZIP ARJ Archive Processing stack overflow - Is there any role for

Subject: Re: 7-ZIP ARJ Archive Processing stack overflow - Is there any role for Network IPS?
Date: Thu, 15 Mar 2007 15:44:14 -0400
Surya Batchu wrote:
Hi,

Please see this advisory:  http://nvd.nist.gov/nvd.cfm?cvename=CVE-2005-3051

This attack can be launched remotely by sending specially crafted data in 
archived file.

Which security solutions are expected to catch these kinds of attacks? It seems 
that NIPS/NIDS solution typically check for buffer overflow attacks at protocol 
level, but not at the file/archive level.  If so, is it fair to assume that 
only security solutions running, on the client machine, catch these kjinds of 
attacks. Any insight is appreciated.

Thanks

Something like this will typically come in via web 'http://www.compromizedluserscomputer.com/files/pornfile.arc' or via email, network share, etc


I would say its the job of the web proxy anti-virus, web proxy blacklists, email anti-virus, anti-spam (its most likely spammed) or desktop anti-virus to stop it.

not an 'or', but an 'and'. (I don't IPS/IDS should block the 300,000 types of viruses)

Layered security, hopefully one of these layers will block it before its opened.

ok, and ps, is 7zip an approved software package for your users? hardening the workstation so they don't load software that isn't needed for business purposes also helps, and if it is an approved package, you also have in place the ability to patch it now?

--
Michael Scheidell, CTO
SECNAP Network Security Corporation.

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