openSUSE Security Update : ntp (openSUSE-2015-767)

critical Nessus Plugin ID 86964
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 openSUSE host is missing a security update.

Description

This ntp update provides the following security and non security fixes :

- Update to 4.2.8p4 to fix several security issues (bsc#951608) :

- CVE-2015-7871: NAK to the Future: Symmetric association authentication bypass via crypto-NAK

- CVE-2015-7855: decodenetnum() will ASSERT botch instead of returning FAIL on some bogus values

- CVE-2015-7854: Password Length Memory Corruption Vulnerability

- CVE-2015-7853: Invalid length data provided by a custom refclock driver could cause a buffer overflow

- CVE-2015-7852 ntpq atoascii() Memory Corruption Vulnerability

- CVE-2015-7851 saveconfig Directory Traversal Vulnerability

- CVE-2015-7850 remote config logfile-keyfile

- CVE-2015-7849 trusted key use-after-free

- CVE-2015-7848 mode 7 loop counter underrun

- CVE-2015-7701 Slow memory leak in CRYPTO_ASSOC

- CVE-2015-7703 configuration directives 'pidfile' and 'driftfile' should only be allowed locally

- CVE-2015-7704, CVE-2015-7705 Clients that receive a KoD should validate the origin timestamp field

- CVE-2015-7691, CVE-2015-7692, CVE-2015-7702 Incomplete autokey data packet length checks

- obsoletes ntp-memlock.patch.

- Add a controlkey line to /etc/ntp.conf if one does not already exist to allow runtime configuuration via ntpq.

Solution

Update the affected ntp packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=951608

https://www.tenable.com/security/research/tra-2015-04

Plugin Details

Severity: Critical

ID: 86964

File Name: openSUSE-2015-767.nasl

Version: 2.13

Type: local

Agent: unix

Published: 11/20/2015

Updated: 1/19/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.8

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

CVSS v3

Risk Factor: Critical

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: 11/10/2015

Reference Information

CVE: CVE-2015-7691, CVE-2015-7692, CVE-2015-7701, CVE-2015-7702, CVE-2015-7703, CVE-2015-7704, CVE-2015-7705, CVE-2015-7848, CVE-2015-7849, CVE-2015-7850, CVE-2015-7851, CVE-2015-7852, CVE-2015-7853, CVE-2015-7854, CVE-2015-7855, CVE-2015-7871