bugtraq - Re: OpenBSD kernel holes ...

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Message-ID: <7EFB376E-1A04-11D8-9906-000393C92756@vitriol.net>
Date: Tue, 18 Nov 2003 14:19:22 -0600
From: Steve Tornio <steve@...riol.net>
To: noir@...rhax0r.net
Cc: bugtraq@...urityfocus.com
Subject: Re: OpenBSD kernel holes ...

<snip>

> from http://www.wideopenbsd.org/errata.html
>
> All architectures
>
>      005: RELIABILITY FIX: November 4, 2003
>      It is possible for a local user to cause a system panic by 
> executing
>      a specially crafted binary with an invalid header.
>      A source code patch exists which remedies the problem.
>
>
> reliability ??? ehh ;-P yeah yeah right!
>

um, that's the wrong errata entry.  For 3.4 -

006: SECURITY FIX: November 17, 2003
  It may be possible for a local user to overrun the stack in 
compat_ibcs2(8).
  ProPolice catches this, turning a potential privilege escalation into 
a denial of service. iBCS2 emulation does not need to be enabled via 
sysctl(8) for this to happen.
  A source code patch exists which remedies the problem.

Taken from http://www.openbsd.org/security.html#34