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Test ID:1.3.6.1.4.1.25623.1.0.812793
Category:General
Title:NTP.org 'ntpd' Authenticated Symmetric Passive Peering Remote Vulnerability
Summary:NTP.org's reference implementation of NTP server, ntpd is prone to a remote security vulnerability.
Description:Summary:
NTP.org's reference implementation of NTP server, ntpd is prone to a remote security vulnerability.

Vulnerability Insight:
The flaw exists due to if a system is
set up to use a trustedkey and if one is not using the feature introduced in
ntp-4.2.8p6 allowing an optional 4th field in the ntp.keys file to specify
which IPs can serve time.

Vulnerability Impact:
Successful exploitation will allow remote
attackers to bypass certain security restrictions and perform some unauthorized
actions to the application. This may aid in further attacks.

Affected Software/OS:
NTP.org's ntpd version 4.2.x before 4.2.8p7 and 4.3.x before 4.3.92.

Solution:
Upgrade to NTP.org's ntpd version 4.2.8p7 or 4.2.8p11
or 4.3.92.

CVSS Score:
3.5

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

Cross-Ref: BugTraq ID: 103194
Common Vulnerability Exposure (CVE) ID: CVE-2018-7170
http://www.securityfocus.com/bid/103194
Bugtraq: 20180301 [Newsletter/Marketing] [slackware-security] ntp (SSA:2018-060-02) (Google Search)
http://www.securityfocus.com/archive/1/541824/100/0/threaded
FreeBSD Security Advisory: FreeBSD-SA-18:02
https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.asc
https://security.gentoo.org/glsa/201805-12
http://packetstormsecurity.com/files/146631/Slackware-Security-Advisory-ntp-Updates.html
https://bugzilla.redhat.com/show_bug.cgi?id=1550214
CopyrightCopyright (C) 2018 Greenbone Networks GmbH

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