Full Disclosure mailing list archives

*BSD banner INT overflow vulnerability


From: "Tyop?" <tyoptyop () gmail com>
Date: Wed, 22 Nov 2006 14:36:04 +0100

On 11/22/06, Sean Comeau <scomeau () cansecwest com> wrote:
On Wed, Nov 22, 2006 at 12:25:46PM +0300, dead code crew wrote:

 %uname -sir
 FreeBSD 6.1-RELEASE GENERIC
 %gdb banner
 (gdb) r -w 17000000
 Program received signal SIGSEGV, Segmentation fault.
 0x01010101 in ?? ()

This doesn't crash banner on OpenBSD, and even if it did who
cares?  What would anyone accomplish by making this setuid
root?

$ ls -l /usr/bin/banner
-r-xr-xr-x  1 root  wheel  9576 Jul  5  2005 /usr/bin/banner
$

pfiuuu..
I'm safe. Thx a lot.

F34r da banner H4x0r.

-- 
Tyop?

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