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Gentoo Linux Security Advisory 201412-34

Gentoo Linux Security Advisory 201412-34
Posted Dec 26, 2014
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201412-34 - Multiple vulnerabilities have been found in NTP, the worst of which could result in remote execution of arbitrary code. Versions less than 4.2.8 are affected.

tags | advisory, remote, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2014-9293, CVE-2014-9294, CVE-2014-9295, CVE-2014-9296
SHA-256 | 5b5deda4695b2395daea389f9d8700e9e35ad23c665aa66ecf1cb7860ddbcc0c

Gentoo Linux Security Advisory 201412-34

Change Mirror Download
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Gentoo Linux Security Advisory GLSA 201412-34
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http://security.gentoo.org/
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Severity: High
Title: NTP: Multiple vulnerabilities
Date: December 24, 2014
Bugs: #533076
ID: 201412-34

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Synopsis
========

Multiple vulnerabilities have been found in NTP, the worst of which
could result in remote execution of arbitrary code.

Background
==========

NTP is a protocol designed to synchronize the clocks of computers over
a network. The net-misc/ntp package contains the official reference
implementation by the NTP Project.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-misc/ntp < 4.2.8 >= 4.2.8

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

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

Impact
======

A remote unauthenticated attacker may be able to execute arbitrary code
with the privileges of the process, cause a Denial of Service
condition, and obtain sensitive information that could assist in other
attacks.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All NTP users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/ntp-4.2.8"

References
==========

[ 1 ] CVE-2014-9293
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9293
[ 2 ] CVE-2014-9294
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9294
[ 3 ] CVE-2014-9295
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9295
[ 4 ] CVE-2014-9296
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9296

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

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

http://security.gentoo.org/glsa/glsa-201412-34.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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