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

From: 3APA3A (3APA3ASECURITY.NNOV.RU)
Date: Mon Aug 06 2007 - 06:20:40 CDT

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 gelinuxbox.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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