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[gentoo-announce] [ GLSA 201408-09 ] GNU Libtasn1: Multiple vulnerabilities

Posted on 29 August 2014
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 201408-09
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http://security.gentoo.org/
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Severity: Normal
Title: GNU Libtasn1: Multiple vulnerabilities
Date: August 29, 2014
Bugs: #511536
ID: 201408-09

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Synopsis
========
Multiple vulnerabilities have been discovered in GNU Libtasn1, the
worse of which can allow a context-dependent attacker to cause a Denial
of Service condition.

Background
==========
The ASN.1 library used in GNUTLS.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-libs/libtasn1 < 3.6 >= 3.6

Description
===========
Multiple vulnerabilities have been discovered in GNU Libtasn1. Please
review the CVE identifiers referenced below for details.

Impact
======
A context-dependent attacker could possibly cause a Denial of Service
condition.

Workaround
==========
There is no known workaround at this time.

Resolution
==========
All GNU Libtasn1 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/libtasn1-3.6"

Packages which depend on this library may need to be recompiled. Tools
such as revdep-rebuild may assist in identifying some of these
packages.

References
==========
[ 1 ] CVE-2014-3467
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3467
[ 2 ] CVE-2014-3468
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3468
[ 3 ] CVE-2014-3469
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3469

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

http://security.gentoo.org/glsa/glsa-201408-09.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 2014 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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