bugtraq - Re: Microsoft FTP Client Multiple Bufferoverflow Vulnerability

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Date: Thu, 29 Nov 2007 18:09:23 -0500
From: Steve Shockley <steve.shockley@...ckley.net>
To: bugtraq@...urityfocus.com
Subject: Re: Microsoft FTP Client Multiple Bufferoverflow Vulnerability

Valdis.Kletnieks@...edu wrote:
>> An attacker who can convince an user to extract a specially crafted
>> archive can overwrite arbitrary files with the permissions of the user
>> running gtar.  If that user is root, the attacker can overwrite any
>> file on the system.
> 
> Apparently, somebody at FreeBSD thinks "can be exploited if you trick the
> user into doing something" is a valid attack vector.

The difference is that I'd be surprised when I got 0wned by unpacking an 
archive, and not all that surprised when I got 0wned by running a random 
executable (script) file.