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Gentoo Linux Security Advisory 200712-22

Gentoo Linux Security Advisory 200712-22
Posted Dec 31, 2007
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory GLSA 200712-22 - 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). Versions less than 9.25 are affected.

tags | advisory, vulnerability
systems | linux, gentoo
advisories | CVE-2007-6520, CVE-2007-6521, CVE-2007-6522, CVE-2007-6524
SHA-256 | 530363e74b05a9c0cab7ab3ccbe4e38646d82e728737b3b36e700bc1f9db60fc

Gentoo Linux Security Advisory 200712-22

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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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