SUSE SLES12 Security Update : ntp (SUSE-SU-2018:1765-2)

High Nessus Plugin ID 118269

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

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1077445

https://bugzilla.suse.com/show_bug.cgi?id=1082063

https://bugzilla.suse.com/show_bug.cgi?id=1082210

https://bugzilla.suse.com/show_bug.cgi?id=1083417

https://bugzilla.suse.com/show_bug.cgi?id=1083420

https://bugzilla.suse.com/show_bug.cgi?id=1083422

https://bugzilla.suse.com/show_bug.cgi?id=1083424

https://bugzilla.suse.com/show_bug.cgi?id=1083426

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

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

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

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

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

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

http://www.nessus.org/u?df20509a

Plugin Details

Severity: High

ID: 118269

File Name: suse_SU-2018-1765-2.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2018/10/22

Updated: 2019/09/10

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.5

Temporal Score: 5.9

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

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

CVSS v3.0

Base Score: 9.8

Temporal Score: 8.8

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:P/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: true

Exploit Ease: Exploits are available

Patch Publication Date: 2018/10/18

Vulnerability Publication Date: 2017/01/06

Reference Information

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