Date: Thu, 24 Mar 2005 22:36:13 +0100
From: Thierry Carrez <koon@gentoo.org.>
To: gentoo-announce@robin.gentoo.org
Subject: [ GLSA 200503-28 ] Sun Java: Web Start argument injection vulnerability
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Gentoo Linux Security Advisory GLSA 200503-28
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http://security.gentoo.org/
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Severity: Normal
Title: Sun Java: Web Start argument injection vulnerability
Date: March 24, 2005
Bugs: #85804
ID: 200503-28
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Synopsis
========
Java Web Start JNLP files can be abused to evade sandbox restriction
and execute arbitrary code.
Background
==========
Sun provides implementations of Java Development Kits (JDK) and Java
Runtime Environments (JRE). These implementations provide the Java Web
Start technology that can be used for easy client-side deployment of
Java applications.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-java/sun-jdk < 1.4.2.07 >= 1.4.2.07
< 1.4.2
2 dev-java/sun-jre-bin < 1.4.2.07 >= 1.4.2.07
< 1.4.2
-------------------------------------------------------------------
2 affected packages on all of their supported architectures.
-------------------------------------------------------------------
Description
===========
Jouko Pynnonen discovered that Java Web Start contains a vulnerability
in the way it handles property tags in JNLP files.
Impact
======
By enticing a user to open a malicious JNLP file, a remote attacker
could pass command line arguments to the Java Virtual machine, which
can be used to bypass the Java "sandbox" and to execute arbitrary code
with the permissions of the user running the application.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All Sun JDK users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-java/sun-jdk-1.4.2.07"
All Sun JRE users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-java/sun-jre-bin-1.4.2.07"
References
==========
[ 1 ] Jouko Pynnonen advisory
http://jouko.iki.fi/adv/ws.html
[ 2 ] Sun Microsystems Alert Notification
http://sunsolve.sun.com/search/document.do?assetkey=1-26-57740-1
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200503-28.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 2005 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/2.0
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