SUSE SLES11 Security Update : ntp (SUSE-SU-2016:1278-1)

High Nessus Plugin ID 91120


The remote SUSE host is missing one or more security updates.


This update for ntp to 4.2.8p7 fixes the following issues :

- CVE-2016-1547, bsc#977459: Validate crypto-NAKs, AKA:

- CVE-2016-1548, bsc#977461: Interleave-pivot

- CVE-2016-1549, bsc#977451: Sybil vulnerability:
ephemeral association attack.

- CVE-2016-1550, bsc#977464: Improve NTP security against buffer comparison timing attacks.

- CVE-2016-1551, bsc#977450: Refclock impersonation vulnerability

- CVE-2016-2516, bsc#977452: Duplicate IPs on unconfig directives will cause an assertion botch in ntpd.

- CVE-2016-2517, bsc#977455: remote configuration trustedkey/ requestkey/controlkey values are not properly validated.

- CVE-2016-2518, bsc#977457: Crafted addpeer with hmode > 7 causes array wraparound with MATCH_ASSOC.

- CVE-2016-2519, bsc#977458: ctl_getitem() return value not always checked.

- This update also improves the fixes for: CVE-2015-7704, CVE-2015-7705, CVE-2015-7974

Bugs fixed :

- Restrict the parser in the startup script to the first occurrance of 'keys' and 'controlkey' in ntp.conf (bsc#957226).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.


To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Server 11-SP4 :

zypper in -t patch slessp4-ntp-12553=1

SUSE Linux Enterprise Debuginfo 11-SP4 :

zypper in -t patch dbgsp4-ntp-12553=1

To bring your system up-to-date, use 'zypper patch'.

See Also

Plugin Details

Severity: High

ID: 91120

File Name: suse_SU-2016-1278-1.nasl

Version: $Revision: 2.10 $

Type: local

Agent: unix

Published: 2016/05/13

Modified: 2018/01/31

Dependencies: 12634

Risk Information

Risk Factor: High


Base Score: 7.5

Temporal Score: 6.2

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:F/RL:OF/RC:ND


Base Score: 9.8

Temporal Score: 9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:X

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:ntp, p-cpe:/a:novell:suse_linux:ntp-doc, cpe:/o:novell:suse_linux:11

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2016/05/11

Reference Information

CVE: CVE-2015-7704, CVE-2015-7705, CVE-2015-7974, CVE-2016-1547, CVE-2016-1548, CVE-2016-1549, CVE-2016-1550, CVE-2016-1551, CVE-2016-2516, CVE-2016-2517, CVE-2016-2518, CVE-2016-2519

OSVDB: 129309, 129310, 133387, 137711, 137712, 137713, 137714, 137731, 137732, 137733, 137734, 137735