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Sicherheit: Mehrere Probleme in Linux Terminal Server Project
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Linux Terminal Server Project
ID: 200805-07
Distribution: Gentoo
Plattformen: Keine Angabe
Datum: Fr, 9. Mai 2008, 16:35
Referenzen: http://www.gentoo.org/security/en/glsa/glsa-200705-02.xml
http://www.gentoo.org/security/en/glsa/glsa-200705-06.xml
http://www.gentoo.org/security/en/glsa/glsa-200705-22.xml
http://www.gentoo.org/security/en/glsa/glsa-200705-24.xml
http://www.gentoo.org/security/en/glsa/glsa-200710-06.xml
http://www.gentoo.org/security/en/glsa/glsa-200710-16.xml
http://www.gentoo.org/security/en/glsa/glsa-200710-30.xml
http://www.gentoo.org/security/en/glsa/glsa-200711-08.xml
http://www.gentoo.org/security/en/glsa/glsa-200801-09.xml
https://bugs.gentoo.org/177580
Applikationen: LTSP

Originalnachricht

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Gentoo Linux Security Advisory GLSA 200805-07
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http://security.gentoo.org/
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Severity: Normal
Title: Linux Terminal Server Project: Multiple vulnerabilities
Date: May 09, 2008
Bugs: #215699
ID: 200805-07

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Synopsis
========

Multiple vulnerabilities have been discovered in components shipped
with LTSP which allow remote attackers to compromise terminal clients.

Background
==========

The Linux Terminal Server Project adds thin-client support to Linux
servers.

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-misc/ltsp < 5.0 Vulnerable!
-------------------------------------------------------------------
NOTE: Certain packages are still vulnerable. Users should migrate
to another package if one is available or wait for the
existing packages to be marked stable by their
architecture maintainers.

Description
===========

LTSP version 4.2, ships prebuilt copies of programs such as the Linux
Kernel, the X.org X11 server (GLSA 200705-06, GLSA 200710-16, GLSA
200801-09), libpng (GLSA 200705-24, GLSA 200711-08), Freetype (GLSA
200705-02, GLSA 200705-22) and OpenSSL (GLSA 200710-06, GLSA 200710-30)
which were subject to multiple security vulnerabilities since 2006.
Please note that the given list of vulnerabilities might not be
exhaustive.

Impact
======

A remote attacker could possibly exploit vulnerabilities in the
aforementioned programs and execute arbitrary code, disclose sensitive
data or cause a Denial of Service within LTSP 4.2 clients.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

LTSP 4.2 is not maintained upstream in favor of version 5. Since
version 5 is not yet available in Gentoo, the package has been masked.
We recommend that users unmerge LTSP:

# emerge --unmerge net-misc/ltsp

If you have a requirement for Linux Terminal Servers, please either set
up a terminal server by hand or use one of the distributions that
already migrated to LTSP 5. If you want to contribute to the
integration of LTSP 5 in Gentoo, or want to follow its development,
find details in bug 177580.

References
==========

[ 1 ] GLSA 200705-02
http://www.gentoo.org/security/en/glsa/glsa-200705-02.xml
[ 2 ] GLSA 200705-06
http://www.gentoo.org/security/en/glsa/glsa-200705-06.xml
[ 3 ] GLSA 200705-22
http://www.gentoo.org/security/en/glsa/glsa-200705-22.xml
[ 4 ] GLSA 200705-24
http://www.gentoo.org/security/en/glsa/glsa-200705-24.xml
[ 5 ] GLSA 200710-06
http://www.gentoo.org/security/en/glsa/glsa-200710-06.xml
[ 6 ] GLSA 200710-16
http://www.gentoo.org/security/en/glsa/glsa-200710-16.xml
[ 7 ] GLSA 200710-30
http://www.gentoo.org/security/en/glsa/glsa-200710-30.xml
[ 8 ] GLSA 200711-08
http://www.gentoo.org/security/en/glsa/glsa-200711-08.xml
[ 9 ] GLSA 200801-09
http://www.gentoo.org/security/en/glsa/glsa-200801-09.xml
[ 10 ] Gentoo bug 177580: Port LTSP 5 to Gentoo
https://bugs.gentoo.org/177580

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-200805-07.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

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