[gentoo-announce] [ GLSA 201412-34 ] NTP: Multiple vulnerabilities

[news 28]

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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 ( -at -) 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