SUSE SLES12 Security Update : dnsmasq (SUSE-SU-2017:2616-1)

critical Nessus Plugin ID 103637

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Synopsis

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

Description

This update for dnsmasq fixes the following issues. Remedy the following security issues :

- CVE-2017-14491: 2 byte heap based overflow.
[bsc#1060354]

- CVE-2017-14492: heap based overflow. [bsc#1060355]

- CVE-2017-14493: stack based overflow. [bsc#1060360]

- CVE-2017-14494: DHCP - info leak. [bsc#1060361]

- CVE-2017-14495: DNS - OOM DoS. [bsc#1060362]

- CVE-2017-14496: DNS - DoS Integer underflow.
[bsc#1060364]

- Prevent a man-in-the-middle attack (bsc#972164, fate#321175). Furthermore, the following issues have been fixed :

- Fix DHCP relaying, broken in 2.76 and 2.77.

- Update to version 2.78 (fate#321175, fate#322030, bsc#1035227).

- Fix PXE booting for UEFI architectures (fate#322030).

- Drop PrivateDevices=yes which breaks logging (bsc#902511, bsc#904537)

- Build with support for DNSSEC (fate#318323, bsc#908137).
Please note that this update brings a (small) potential incompatibility in the handling of 'basename' in
--pxe-service. Please read the CHANGELOG and the documentation if you are using this option.

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 YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Server 12-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-2017-1616=1

To bring your system up-to-date, use 'zypper patch'.

Plugin Details

Severity: Critical

ID: 103637

File Name: suse_SU-2017-2616-1.nasl

Version: 3.16

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 10/3/2017

Updated: 1/6/2021

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A: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: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

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

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: 10/2/2017

Vulnerability Publication Date: 5/8/2015

Exploitable With

Core Impact

Reference Information

CVE: CVE-2015-3294, CVE-2015-8899, CVE-2017-14491, CVE-2017-14492, CVE-2017-14493, CVE-2017-14494, CVE-2017-14495, CVE-2017-14496

BID: 74452

IAVA: 2017-A-0284-S

Detections

Analytics