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Test ID:1.3.6.1.4.1.25623.1.0.150698
Category:Denial of Service
Title:NTP < 4.2.8p3 DoS Vulnerability
Summary:Under limited and specific circumstances an attacker can send a; crafted packet to cause a vulnerable ntpd instance to crash. This requires each of the following; to be true:;; - ntpd set up to allow for remote configuration (not allowed by default), and;; - knowledge of the configuration password, and;; - access to a computer entrusted to perform remote configuration.
Description:Summary:
Under limited and specific circumstances an attacker can send a
crafted packet to cause a vulnerable ntpd instance to crash. This requires each of the following
to be true:

- ntpd set up to allow for remote configuration (not allowed by default), and

- knowledge of the configuration password, and

- access to a computer entrusted to perform remote configuration.

Vulnerability Insight:
Please see the references for more information on the vulnerabilities.

Affected Software/OS:
NTPd version prior to 4.2.8p3, 4.3.x prior to version 4.3.25.

Solution:
Update to version 4.2.8p3, 4.3.25 or later.

CVSS Score:
3.5

CVSS Vector:
AV:N/AC:M/Au:S/C:N/I:N/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2015-5146
BugTraq ID: 75589
http://www.securityfocus.com/bid/75589
Debian Security Information: DSA-3388 (Google Search)
http://www.debian.org/security/2015/dsa-3388
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html
https://security.gentoo.org/glsa/201509-01
http://www.securitytracker.com/id/1034168
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