Date: Sun, 30 Dec 2007 18:17:19 +0100
From: Pierre-Yves Rofes <py@gentoo.org.>
To: gentoo-announce@gentoo.org
Subject: [ GLSA 200712-22 ] Opera: Multiple vulnerabilities
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Gentoo Linux Security Advisory GLSA 200712-22
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http://security.gentoo.org/
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Severity: Normal
Title: Opera: Multiple vulnerabilities
Date: December 30, 2007
Bugs: #202770
ID: 200712-22
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Synopsis
========
Multiple vulnerabilities were discovered in Opera, allowing for the
execution of arbitrary code and cross domain scripting.
Background
==========
Opera is a fast Web browser that is available free of charge.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 www-client/opera < 9.25 >= 9.25
Description
===========
David Bloom reported two vulnerabilities where plug-ins (CVE-2007-6520)
and Rich text editing (CVE-2007-6522) could be used to allow cross
domain scripting. Alexander Klink (Cynops GmbH) discovered an issue
with TLS certificates (CVE-2007-6521). Gynvael Coldwind reported that
bitmaps might reveal random data from memory (CVE-2007-6524).
Impact
======
A remote attacker could exploit these vulnerabilites, possibly leading
to the execution of arbitrary code and cross domain scripting.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All Opera users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/opera-9.25"
References
==========
[ 1 ] CVE-2007-6520
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6520
[ 2 ] CVE-2007-6521
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6521
[ 3 ] CVE-2007-6522
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6522
[ 4 ] CVE-2007-6524
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6524
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200712-22.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 2007 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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