Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Tue, 21 Jun 2011 10:51:51 +0200
From: Ludwig Nussel <ludwig.nussel@...e.de>
To: oss-security@...ts.openwall.com,
	"Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE request -- coreutils -- tty hijacking possible in "su" via TIOCSTI ioctl

Jan Lieskovsky wrote:
> Hello Josh, Steve, vendors,
> 
>    based on Debian BTS report:
>    [1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=628843
>        (first CVE-2011-XXYY required for Debian case)
> 
> looked more into original report:
> [2] https://bugzilla.redhat.com/show_bug.cgi?id=173008
> 
> and the first paragraph of [2] suggests:
> "When starting a program via "su - user -c program" the user session
> can escape to the parent session by using the TIOCSTI ioctl to push
> characters into the input buffer.  This allows for example a non-root
> session to push "chmod 666 /etc/shadow" or similarly bad commands into
> the input buffer such  that after the end of the session they are
> executed."
> 
> this should get a CVE-2005-YYZZ CVE id.
> 
> Could you allocate these?

ping! :-)

cu
Ludwig

-- 
 (o_   Ludwig Nussel
 //\
 V_/_  http://www.suse.de/
SUSE LINUX Products GmbH, GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB 16746 (AG Nürnberg) 

Powered by blists - more mailing lists

Your e-mail address:

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Powered by Openwall GNU/*/Linux - Powered by OpenVZ