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Message-ID: <4EF78A61.3000604@redhat.com>
Date: Sun, 25 Dec 2011 13:41:05 -0700
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
CC: Florian Weimer <fw@...eb.enyo.de>
Subject: Re: CVE-2011-4862 is not BSD-specific

On 12/25/2011 10:14 AM, Florian Weimer wrote:
> This is just a heads-up: CVE-2011-4862, a pre-authentication buffer
> overflow in telnetd recently fixed by FreeBSD is not BSD-specific.  It
> seems to have been added at MIT when the BSD telnetd was Kerberized,
> and it ended up in the Heimdal recryptofication of Kerberos (from
> where FreeBSD got it) and later in GNU inetutils.  I have reproduced a
> pre-authentication segfault with both versions (as shipped by Debian).
>
> The telnetd from netkit does not appear to be affected.
Good write up at:

http://thexploit.com/secdev/a-textbook-buffer-overflow-a-look-at-the-freebsd-telnetd-code/

-- 

-Kurt Seifried / Red Hat Security Response Team

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