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gentooGentoo FoundationGLSA-201412-34
HistoryDec 24, 2014 - 12:00 a.m.

NTP: Multiple vulnerabilities

2014-12-2400:00:00
Gentoo Foundation
security.gentoo.org
18

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.966 High

EPSS

Percentile

99.6%

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"
OSVersionArchitecturePackageVersionFilename
Gentooanyallnet-misc/ntp< 4.2.8UNKNOWN

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.966 High

EPSS

Percentile

99.6%