NTP: Multiple vulnerabilities — GLSA 201412-34

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

Affected Packages

net-misc/ntp on all architectures
Affected versions < 4.2.8
Unaffected versions >= 4.2.8

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.

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

Release Date
December 24, 2014

Latest Revision
December 24, 2014: 2

Severity
high

Exploitable
remote

Bugzilla entries