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[gentoo-announce] [ GLSA 201509-04 ] libtasn1: Multiple vulnerabilities

Posted on 24 September 2015
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 201509-04
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https://security.gentoo.org/
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Severity: Normal
Title: libtasn1: Multiple vulnerabilities
Date: September 24, 2015
Bugs: #544922, #548252
ID: 201509-04

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Synopsis
========
Multiple vulnerabilities have been found in libtasn1, the worst of
which could lead to arbitrary code execution.

Background
==========
libtasn1 is an ASN.1 library

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-libs/libtasn1 < 1.4.5 >= 1.4.5

Description
===========
Multiple vulnerabilities have been discovered in libtasn1. Please
review the CVE identifiers referenced below for details.

Impact
======
A remote attacker could possibly execute arbitrary code with the
privileges of the process, or cause a Denial of Service condition.

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

Resolution
==========
All libtasn1 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/libtasn1-1.4.5"

References
==========
[ 1 ] CVE-2015-2806
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2806
[ 2 ] CVE-2015-3622
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3622

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

https://security.gentoo.org/glsa/201509-04

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 2015 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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