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[gentoo-announce] [ GLSA 201507-01 ] chrony: Multiple vulnerabilities

Posted on 05 July 2015
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 201507-01
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https://security.gentoo.org/
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Severity: Normal
Title: chrony: Multiple vulnerabilities
Date: July 05, 2015
Bugs: #545918
ID: 201507-01

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Synopsis
========
Multiple vulnerabilities have been found in chrony, the worst of which
can cause arbitrary code execution.

Background
==========
chrony is a versatile implementation of the Network Time Protocol
(NTP).

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-misc/chrony < 1.31.1 >= 1.31.1

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

Impact
======
A remote attacker can cause arbitrary remote code execution or Denial
of service condition.

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

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

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/chrony-1.31.1"

References
==========
[ 1 ] CVE-2015-1821
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-1821
[ 2 ] CVE-2015-1822
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-1822
[ 3 ] CVE-2015-1853
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-1853

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

https://security.gentoo.org/glsa/201507-01

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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