bugtraq - Re: sudoedit local privilege escalation through PATH manipulation

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Message-ID: <4BD002F9.7060509@mediaservice.net>
Date: Thu, 22 Apr 2010 10:04:09 +0200
From: Agazzini Maurizio <inode@...iaservice.net>
To: bugtraq@...urityfocus.com
Cc: bugtraq@...netcobalt.net
Subject: Re: sudoedit local privilege escalation through PATH manipulation

On 20/04/2010 8.42, Ansgar Wiechers wrote:
> Perhaps I'm missing something, but how is this a security flaw? A user
> who is allowed to run "sudoedit" can edit /etc/sudoers, and thus allow
> himself to run any command anyway.
> 
> Regards
> Ansgar Wiechers

In the configuration file (sudoers) you can specify the file that the
user is allowed to edit (http://www.gratisoft.us/sudo/man/sudoers.html).
The bug allow you to bypass these controls and gain root privileges.

Best regards,

Maurizio

-- 
Maurizio Agazzini                     CISSP, OPST
Senior Security Advisor
Team Manager
@ Mediaservice.net Srl                Tel: +39-011-32.72.100
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