openSUSE Security Update : ntp (openSUSE-2016-599)

High Nessus Plugin ID 91269

New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it's different from CVSS.

VPR Score: 5.9

Synopsis

The remote openSUSE host is missing a security update.

Description

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

- CVE-2016-1547, bsc#977459: Validate crypto-NAKs, AKA:
CRYPTO-NAK DoS.

- 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).

This update was imported from the SUSE:SLE-12-SP1:Update update project.

Solution

Update the affected ntp packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=957226

https://bugzilla.opensuse.org/show_bug.cgi?id=977446

https://bugzilla.opensuse.org/show_bug.cgi?id=977450

https://bugzilla.opensuse.org/show_bug.cgi?id=977451

https://bugzilla.opensuse.org/show_bug.cgi?id=977452

https://bugzilla.opensuse.org/show_bug.cgi?id=977455

https://bugzilla.opensuse.org/show_bug.cgi?id=977457

https://bugzilla.opensuse.org/show_bug.cgi?id=977458

https://bugzilla.opensuse.org/show_bug.cgi?id=977459

https://bugzilla.opensuse.org/show_bug.cgi?id=977461

https://bugzilla.opensuse.org/show_bug.cgi?id=977464

Plugin Details

Severity: High

ID: 91269

File Name: openSUSE-2016-599.nasl

Version: 2.12

Type: local

Agent: unix

Published: 2016/05/20

Updated: 2020/06/04

Dependencies: 12634

Risk Information

Risk Factor: High

VPR Score: 5.9

CVSS v2.0

Base Score: 7.5

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

CVSS v3.0

Base Score: 9.8

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

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:ntp, p-cpe:/a:novell:opensuse:ntp-debuginfo, p-cpe:/a:novell:opensuse:ntp-debugsource, cpe:/o:novell:opensuse:42.1

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

Patch Publication Date: 2016/05/18

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