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Gentoo Linux Security Advisory 201509-04

Gentoo Linux Security Advisory 201509-04
Posted Sep 25, 2015
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201509-4 - Multiple vulnerabilities have been found in libtasn1, the worst of which could lead to arbitrary code execution. Versions less than 1.4.5 are affected.

tags | advisory, arbitrary, vulnerability, code execution
systems | linux, gentoo
advisories | CVE-2015-2806, CVE-2015-3622
SHA-256 | 7409f641de00682e65c15ff139158d68c60b58fefecad508e0f36dd168033008

Gentoo Linux Security Advisory 201509-04

Change Mirror Download
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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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