"Gentoo Linux Security Advisory GLSA 201001-03
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http://security.gentoo.org/
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Severity: High
Title: PHP: Multiple vulnerabilities
Date: January 05, 2010
Bugs: #249875, #255121, #260576, #261192, #266125, #274670,
#280602, #285434, #292132, #293888, #297369, #297370
ID: 201001-03

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Synopsis
========

Multiple vulnerabilities were found in PHP, the worst of which leading
to the remote execution of arbitrary code.

Background
==========

PHP is a widely-used general-purpose scripting language that is
especially suited for Web development and can be embedded into HTML.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-lang/php = 5.2.12

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

Multiple vulnerabilities have been discovered in PHP. Please review the
CVE identifiers referenced below and the associated PHP release notes
for details.

Impact
======

A context-dependent attacker could execute arbitrary code via a
specially crafted string containing an HTML entity when the mbstring
extension is enabled. Furthermore a remote attacker could execute
arbitrary code via a specially crafted GD graphics file.

A remote attacker could also cause a Denial of Service via a malformed
string passed to the json_decode() function, via a specially crafted
ZIP file passed to the php_zip_make_relative_path() function, via a
malformed JPEG image passed to the exif_read_data() function, or via
temporary file exhaustion. It is also possible for an attacker to spoof
certificates, bypass various safe_mode and open_basedir restrictions
when certain criteria are met, perform Cross-site scripting attacks,
more easily perform SQL injection attacks, manipulate settings of other
virtual hosts on the same server via a malicious .htaccess entry when
running on Apache, disclose memory portions, and write arbitrary files
via a specially crafted ZIP archive. Some vulnerabilities with unknown
impact and attack vectors have been reported as well.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All PHP users should upgrade to the latest version. As PHP is
statically linked against a vulnerable version of the c-client library
when the imap or kolab USE flag is enabled (GLSA 200911-03), users
should upgrade net-libs/c-client beforehand:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-libs/c-client-2007e"
# emerge --ask --oneshot --verbose ">=dev-lang/php-5.2.12"

References
==========

[ 1 ] CVE-2008-5498
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5498
[ 2 ] CVE-2008-5514
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5514
[ 3 ] CVE-2008-5557
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5557
[ 4 ] CVE-2008-5624
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5624
[ 5 ] CVE-2008-5625
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5625
[ 6 ] CVE-2008-5658
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5658
[ 7 ] CVE-2008-5814
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5814
[ 8 ] CVE-2008-5844
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5844
[ 9 ] CVE-2008-7002
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-7002
[ 10 ] CVE-2009-0754
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0754
[ 11 ] CVE-2009-1271
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1271
[ 12 ] CVE-2009-1272
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1272
[ 13 ] CVE-2009-2626
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2626
[ 14 ] CVE-2009-2687
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2687
[ 15 ] CVE-2009-3291
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3291
[ 16 ] CVE-2009-3292
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3292
[ 17 ] CVE-2009-3293
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3293
[ 18 ] CVE-2009-3546
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3546
[ 19 ] CVE-2009-3557
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3557
[ 20 ] CVE-2009-3558
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3558
[ 21 ] CVE-2009-4017
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4017
[ 22 ] CVE-2009-4142
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4142
[ 23 ] CVE-2009-4143
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4143
[ 24 ] GLSA 200911-03
http://www.gentoo.org/security/en/glsa/glsa-200911-03.xml

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

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

http://security.gentoo.org/glsa/glsa-201001-03.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
https://bugs.gentoo.org.

License
=======

Copyright 2010 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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