SUSE SLED12 / SLES12 Security Update : ntp (SUSE-SU-2018:1765-1)

High Nessus Plugin ID 110639

Synopsis

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

Description

This update for ntp fixes the following issues :

- Update to 4.2.8p11 (bsc#1082210) :

- CVE-2016-1549: Sybil vulnerability: ephemeral association attack. While fixed in ntp-4.2.8p7, there are significant additional protections for this issue in 4.2.8p11.

- CVE-2018-7182: ctl_getitem(): buffer read overrun leads to undefined behavior and information leak.
(bsc#1083426)

- CVE-2018-7170: Multiple authenticated ephemeral associations. (bsc#1083424)

- CVE-2018-7184: Interleaved symmetric mode cannot recover from bad state. (bsc#1083422)

- CVE-2018-7185: Unauthenticated packet can reset authenticated interleaved association. (bsc#1083420)

- CVE-2018-7183: ntpq:decodearr() can write beyond its buffer limit.(bsc#1083417)

- Don't use libevent's cached time stamps in sntp.
(bsc#1077445) This update is a reissue of the previous update with LTSS channels included.

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.

Solution

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE OpenStack Cloud 7:zypper in -t patch SUSE-OpenStack-Cloud-7-2018-1188=1

SUSE Linux Enterprise Server for SAP 12-SP2:zypper in -t patch SUSE-SLE-SAP-12-SP2-2018-1188=1

SUSE Linux Enterprise Server for SAP 12-SP1:zypper in -t patch SUSE-SLE-SAP-12-SP1-2018-1188=1

SUSE Linux Enterprise Server 12-SP3:zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-1188=1

SUSE Linux Enterprise Server 12-SP2-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-SP2-2018-1188=1

SUSE Linux Enterprise Server 12-SP1-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-SP1-2018-1188=1

SUSE Linux Enterprise Desktop 12-SP3:zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-1188=1

SUSE Enterprise Storage 4:zypper in -t patch SUSE-Storage-4-2018-1188=1

SUSE CaaS Platform ALL :

To install this update, use the SUSE CaaS Platform Velum dashboard. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.

See Also

https://bugzilla.suse.com/1077445

https://bugzilla.suse.com/1082063

https://bugzilla.suse.com/1082210

https://bugzilla.suse.com/1083417

https://bugzilla.suse.com/1083420

https://bugzilla.suse.com/1083422

https://bugzilla.suse.com/1083424

https://bugzilla.suse.com/1083426

https://www.suse.com/security/cve/CVE-2016-1549.html

https://www.suse.com/security/cve/CVE-2018-7170.html

https://www.suse.com/security/cve/CVE-2018-7182.html

https://www.suse.com/security/cve/CVE-2018-7183.html

https://www.suse.com/security/cve/CVE-2018-7184.html

https://www.suse.com/security/cve/CVE-2018-7185.html

http://www.nessus.org/u?c1f1a36d

Plugin Details

Severity: High

ID: 110639

File Name: suse_SU-2018-1765-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 2018/06/21

Modified: 2018/09/06

Dependencies: 12634

Risk Information

Risk Factor: High

CVSSv2

Base Score: 7.5

Temporal Score: 5.5

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSSv3

Base Score: 9.8

Temporal Score: 8.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:ntp, p-cpe:/a:novell:suse_linux:ntp-debuginfo, p-cpe:/a:novell:suse_linux:ntp-debugsource, p-cpe:/a:novell:suse_linux:ntp-doc, cpe:/o:novell:suse_linux:12

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

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2018/06/20

Reference Information

CVE: CVE-2016-1549, CVE-2018-7170, CVE-2018-7182, CVE-2018-7183, CVE-2018-7184, CVE-2018-7185

IAVA: 2018-A-0256