2009-07-20 FreeBSD 7.2 (pecoff executable) Local Denial of Service Exploit 23 R D Shaun Colley

[Damian Weber]

On Wed, 11 Nov 2009, Bjoern A. Zeeb wrote:

> Date: Wed, 11 Nov 2009 17:37:50 +0000 (UTC)
> From: Bjoern A. Zeeb <bzeeb-lists at lists.zabbadoz.net>
> To: Oliver Pinter <oliver.pntr at gmail.com>
> Cc: freebsd-security at freebsd.org, wkoszek at freebsd.org
> Subject: Re: 2009-07-20 FreeBSD 7.2 (pecoff executable) Local Denial of
>     Service  Exploit 23 R D Shaun Colley
> 
> On Mon, 20 Jul 2009, Oliver Pinter wrote:
> 
> Hi,
> 
> > http://milw0rm.com/exploits/9206
> 
> has anyone actually been able to reproduce a problem scenario with
> this on any supported releases (7.x or 6.x)?
> 
> The only thing I gould get from that was:
> 	execve returned -1, errno=8: Exec format error
> 

FWIW, I got another result on 6.4-STABLE

FreeBSD mymachine.local 6.4-STABLE FreeBSD 6.4-STABLE #6: Sat Oct  3 13:06:12 CEST 2009     root at hypercrypt.local:/usr/obj/usr/src/sys/MYMACHINE  i386

$ ./pecoff
MZaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaîîîîaaaa
[I'm truncating here, ~3500 a's follow]aaaaa: File name too long

-- Damian