bugtraq - Re: Sudo tricks

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Message-ID: <e01ftv$n5v$1@sea.gmane.org>
Date: Fri, 24 Mar 2006 19:05:34 -0000
From: "Dave Korn" <davek_throwaway@...mail.com>
To: bugtraq@...urityfocus.com
Subject: Re: Sudo tricks


John Richard Moser wrote:

> Here is a simple hack to break sudo and su to get free root. Add this
> to ~/.bashrc and fill in the following blanks:
>
> * ~/.root_kit/rk_su
>  Your hacked su to give root on su --now-dammit
> * ~/.root_kit/silent_install_root_kit
>  Your script to silently install rk_su over /bin/su and add SUID to
> it.

[dk@...per dk]$ ls -la /bin/su
-rwsr-xr-x    1 root     root        19132 Aug 29  2002 /bin/su

  So, in other words, all you need in order to get root access is a rootkit, 
your shell script, and root access?  Ummm... I don't get it.

    cheers,
      DaveK
-- 
Can't think of a witty .sigline today....