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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