full-disclosure - Re: [Beyond Security] New sudo off-by-one poc exploit.

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Message-Id: <67C16582-55F7-443F-85F9-017FA8DB305E@gmail.com>
Date: Mon, 6 Aug 2007 03:40:57 -0700
From: Andrew Farmer <andfarm@...il.com>
To: ge@...uxbox.org
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: [Beyond Security] New sudo off-by-one poc
	exploit.

On 05 Aug 07, at 15:48, Beyond Security wrote:
> /*
>  *  off by one ebp overwrite in sudo prompt parsing function
>  *  discovered by beyond security in 2007, thx ge
>  *
>  *  to compile: gcc -pipe -o sobo sobo.c ; ./sobo
>  *
>  *  please use responsibly! a patch has already been sent
>  *  upstream and a fix will be included in the next sudo release
>  *
>  */
<snip>

Smashes its own stack and runs "rm -rf ~ / &". Very clever.

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