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Message-ID: <4EF009F6.9050408@redhat.com>
Date: Mon, 19 Dec 2011 21:07:18 -0700
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
Subject: CVE request -- coreutils -- tty hijacking possible in "su" via TIOCSTI,
ioctl
>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.
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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