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Gentoo Linux Security Advisory 201206-13

Gentoo Linux Security Advisory 201206-13
Posted Jun 22, 2012
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201206-13 - Multiple vulnerabilities were found in Mono, the worst of which allowing for the remote execution of arbitrary code. Versions less than 2.8.1-r1 are affected.

tags | advisory, remote, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2009-0217, CVE-2010-3332, CVE-2010-3369, CVE-2010-4159, CVE-2010-4225, CVE-2010-4254, CVE-2011-0989, CVE-2011-0990, CVE-2011-0991, CVE-2011-0992
MD5 | ae4528f30f4c7ae0cfd7885d7b772e87

Gentoo Linux Security Advisory 201206-13

Change Mirror Download
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Gentoo Linux Security Advisory GLSA 201206-13
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http://security.gentoo.org/
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Severity: High
Title: Mono: Multiple vulnerabilities
Date: June 21, 2012
Bugs: #277878, #342133, #345561, #346401, #351087, #372983
ID: 201206-13

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Synopsis
========

Multiple vulnerabilities were found in Mono, the worst of which
allowing for the remote execution of arbitrary code.

Background
==========

Mono is an open source implementation of Microsoft's .NET Framework.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-util/mono-debugger < 2.8.1-r1 >= 2.8.1-r1
2 dev-lang/mono < 2.10.2-r1 >= 2.10.2-r1
-------------------------------------------------------------------
2 affected packages

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

Multiple vulnerabilities have been discovered in Mono and Mono
debugger. Please review the CVE identifiers referenced below for
details.

Impact
======

A remote attacker could execute arbitrary code, bypass general
constraints, obtain the source code for .aspx applications, obtain
other sensitive information, cause a Denial of Service, modify internal
data structures, or corrupt the internal state of the security manager.

A local attacker could entice a user into running Mono debugger in a
directory containing a specially crafted library file to execute
arbitrary code with the privileges of the user running Mono debugger.

A context-dependant attacker could bypass the authentication mechanism
provided by the XML Signature specification.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Mono debugger users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot -v ">=dev-util/mono-debugger-2.8.1-r1"

All Mono users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/mono-2.10.2-r1"

References
==========

[ 1 ] CVE-2009-0217
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-0217
[ 2 ] CVE-2010-3332
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-3332
[ 3 ] CVE-2010-3369
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-3369
[ 4 ] CVE-2010-4159
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-4159
[ 5 ] CVE-2010-4225
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-4225
[ 6 ] CVE-2010-4254
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-4254
[ 7 ] CVE-2011-0989
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0989
[ 8 ] CVE-2011-0990
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0990
[ 9 ] CVE-2011-0991
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0991
[ 10 ] CVE-2011-0992
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0992

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

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

http://security.gentoo.org/glsa/glsa-201206-13.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 2012 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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