SUSE SLES11 Security Update : ntp (SUSE-SU-2018:0808-1)

critical Nessus Plugin ID 108651
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

This update for ntp fixes the following issues: Security issues fixed :

- CVE-2016-1549: Significant additional protections against CVE-2016-1549 that was fixed in ntp-4.2.8p7 (bsc#1082210).

- CVE-2018-7170: Ephemeral association time spoofing additional protection (bsc#1083424).

- CVE-2018-7182: Buffer read overrun leads information leak in ctl_getitem() (bsc#1083426).

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

- 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). Bug fixes :

- bsc#1077445: Don't use libevent's cached time stamps in sntp.

- Disable CMAC in ntp when building against a version of OpenSSL that doesn't support it.

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 11-SP4:zypper in -t patch slessp4-ntp-13534=1

SUSE Linux Enterprise Debuginfo 11-SP4:zypper in -t patch dbgsp4-ntp-13534=1

See Also

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

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?5c386533

Plugin Details

Severity: Critical

ID: 108651

File Name: suse_SU-2018-0808-1.nasl

Version: 1.11

Type: local

Agent: unix

Published: 3/27/2018

Updated: 1/19/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

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

CVSS v3

Risk Factor: Critical

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: E:P/RL:O/RC:C

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: 3/26/2018

Vulnerability Publication Date: 1/6/2017

Reference Information

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