Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date: Thu, 17 Nov 2016 18:28:44 -0500
From: <cve-assign@...re.org>
To: <fernando@...l-life.com>
CC: <cve-assign@...re.org>, <oss-security@...ts.openwall.com>,
	<chet.ramey@...e.edu>
Subject: Re: bash - popd controlled free

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

> popd can be tricked to free a user supplied address in the following way:
> 
> $ popd +-111111

> Program received signal SIGSEGV, Segmentation fault.
> 0x0827f93a in popd_builtin (list=<optimized out>) at ./pushd.def:384
> 384          free (pushd_directory_list[i]);

> This could be used to bypass restricted shells (rsh) on some
> environments to cause use-after-free.

Use CVE-2016-9401.

- -- 
CVE Assignment Team
M/S M300, 202 Burlington Road, Bedford, MA 01730 USA
[ A PGP key is available for encrypted communications at
  http://cve.mitre.org/cve/request_id.html ]
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=zUdd
-----END PGP SIGNATURE-----

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.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.