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Date: Mon, 19 Dec 2011 21:07:18 -0700
From: Kurt Seifried <>
Subject: CVE request -- coreutils -- tty hijacking possible in "su" via TIOCSTI,

>Hello Josh, Steve, vendors,
>   based on Debian BTS report:
>   [1]
>       (first CVE-2011-XXYY required for Debian case)
>looked more into original report:
>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
>this should get a CVE-2005-YYZZ CVE id.

Please use CVE-2005-4890 for this issue.

>Could you allocate these?
>Thank you & Regards, Jan.
>Jan iankko Lieskovsky / Red Hat Security Response Team


-Kurt Seifried / Red Hat Security Response Team

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