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

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Message-ID: <1535173281.20070806152040@SECURITY.NNOV.RU>
Date: Mon, 6 Aug 2007 15:20:40 +0400
From: 3APA3A <3APA3A@...URITY.NNOV.RU>
To: full-disclosure@...ts.grok.org.uk
Subject: Re: [Beyond Security] New sudo off-by-one poc
	exploit.

Dear Andrew Farmer,

And this one is not even new:

http://seclists.org/bugtraq/2005/Jul/0521.html


--Monday, August 6, 2007, 2:40:57 PM, you wrote to ge@...uxbox.org:

AF> 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
>>  *
>>  */
AF> <snip>

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


-- 
~/ZARAZA http://securityvulns.com/

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