oss-security - CVE Request -- tpp: Possibility of arbitrary code execution when processing untrusted TPP template

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Message-ID: <132809582.23179823.1371802188478.JavaMail.root@redhat.com>
Date: Fri, 21 Jun 2013 04:09:48 -0400 (EDT)
From: Jan Lieskovsky <jlieskov@...hat.com>
To: oss-security@...ts.openwall.com
Cc: "Steven M. Christey" <coley@...us.mitre.org>,
        Axel Beckert <abe@...ian.org>, Nico Golde <nion@...ian.org>,
        "W. Martin Borgert" <debacle@...ian.org>
Subject: CVE Request -- tpp: Possibility of arbitrary code execution when
 processing untrusted TPP template

Hello Kurt, Steve, vendors,

  A security flaw was found in the way tpp, a ncurses-based presentation tool,
processed TPP templates containing --exec clause (input provided as an argument
of the --exec clause would be immediately executed without requesting a second
confirmation from the user). A remote attacker could provide a specially-crafted
text presentation program (TPP) template that, when processed with the tpp binary
would lead to arbitrary code execution with the privileges of the user running
the tpp executable.

References:
[1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=706644
[2] http://patch-tracker.debian.org/patch/series/view/tpp/1.3.1-3/15-optional-exec.patch
    (Debian distribution patch)
[3] https://bugzilla.redhat.com/show_bug.cgi?id=976684

Upstream patch / GitHub link:
[4] https://github.com/xtaran/tpp/commit/350aafbd9a3256f6d479dacb9740bf3f0b9a3fc3

Could you allocate a CVE id for this?

Thank you && Regards, Jan.
--
Jan iankko Lieskovsky / Red Hat Security Response Team

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