Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2008.0500 -- [UNIX/Linux]
Multiple X11 terminals: Local privilege escalation
14 May 2008
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: X11 terminals
Publisher: Gentoo
Operating System: Gentoo
UNIX variants (UNIX, Linux)
Impact: Increased Privileges
Access: Existing Account
CVE Names: CVE-2008-1692 CVE-2008-1142
Original Bulletin: http://security.gentoo.org/glsa/glsa-200805-03.xml
Comment: This advisory references vulnerabilities in products which run on
platforms other than Gentoo. It is recommended that administrators
running X11 terminal emulators check for an updated version of the
software for their operating system.
- --------------------------BEGIN INCLUDED TEXT--------------------
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 200805-03
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal
Title: Multiple X11 terminals: Local privilege escalation
Date: May 07, 2008
Bugs: #216833, #217819, #219746, #219750, #219754, #219760, #219762
ID: 200805-03
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Synopsis
========
A vulnerability was found in aterm, Eterm, Mrxvt, multi-aterm, RXVT,
rxvt-unicode, and wterm, allowing for local privilege escalation.
Background
==========
Aterm, Eterm, Mrxvt, multi-aterm, RXVT, rxvt-unicode, and wterm are X11
terminal emulators.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 x11-terms/aterm < 1.0.1-r1 >= 1.0.1-r1
2 x11-terms/eterm < 0.9.4-r1 >= 0.9.4-r1
3 x11-terms/mrxvt < 0.5.3-r2 >= 0.5.3-r2
4 x11-terms/multi-aterm < 0.2.1-r1 >= 0.2.1-r1
5 x11-terms/rxvt < 2.7.10-r4 >= 2.7.10-r4
6 x11-terms/rxvt-unicode < 9.02-r1 >= 9.02-r1
7 x11-terms/wterm < 6.2.9-r3 >= 6.2.9-r3
-------------------------------------------------------------------
7 affected packages on all of their supported architectures.
-------------------------------------------------------------------
Description
===========
Bernhard R. Link discovered that Eterm opens a terminal on :0 if the
"-display" option is not specified and the DISPLAY environment variable
is not set. Further research by the Gentoo Security Team has shown that
aterm, Mrxvt, multi-aterm, RXVT, rxvt-unicode, and wterm are also
affected.
Impact
======
A local attacker could exploit this vulnerability to hijack X11
terminals of other users.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All aterm users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-terms/aterm-1.0.1-r1"
All Eterm users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-terms/eterm-0.9.4-r1"
All Mrxvt users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-terms/mrxvt-0.5.3-r2"
All multi-aterm users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-terms/multi-aterm-0.2.1-r1"
All RXVT users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-terms/rxvt-2.7.10-r4"
All rxvt-unicode users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-terms/rxvt-unicode-9.02-r1"
All wterm users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-terms/wterm-6.2.9-r3"
References
==========
[ 1 ] CVE-2008-1142
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1142
[ 2 ] CVE-2008-1692
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1692
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200805-03.xml
Concerns?
=========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.
License
=======
Copyright 2008 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
http://www.auscert.org.au/render.html?cid=1980
If you believe that your computer system has been compromised or attacked in
any way, we encourage you to let us know by completing the secure National IT
Incident Reporting Form at:
http://www.auscert.org.au/render.html?it=3192
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
iQCVAwUBSCpjRyh9+71yA2DNAQJJqQP8DbTMuMZcLuR/BYqA6t7sN5GbdmLd2nOj
Gb9sHh37lBv4S3fyW77c6Bs5KU8X+Qo1iwZTVL/R5h/Svf2HZvKkpPocDhie57OY
QbrvpI+rlNKt0bOEKcGnbQyGDraXwQjqyK71qjqDp4y8AEFjMAWcjh0XfCbOoknG
llLqPqGSiF4=
=ss6t
-----END PGP SIGNATURE-----