SUSE SLED12 / SLES12 Security Update : dnsmasq (SUSE-SU-2017:2618-1)

critical Nessus Plugin ID 103639
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 dnsmasq fixes 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]

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 OpenStack Cloud 7:zypper in -t patch SUSE-OpenStack-Cloud-7-2017-1615=1

SUSE OpenStack Cloud 6:zypper in -t patch SUSE-OpenStack-Cloud-6-2017-1615=1

SUSE Linux Enterprise Server for SAP 12-SP1:zypper in -t patch SUSE-SLE-SAP-12-SP1-2017-1615=1

SUSE Linux Enterprise Server for Raspberry Pi 12-SP2:zypper in -t patch SUSE-SLE-RPI-12-SP2-2017-1615=1

SUSE Linux Enterprise Server 12-SP3:zypper in -t patch SUSE-SLE-SERVER-12-SP3-2017-1615=1

SUSE Linux Enterprise Server 12-SP2:zypper in -t patch SUSE-SLE-SERVER-12-SP2-2017-1615=1

SUSE Linux Enterprise Server 12-SP1-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-SP1-2017-1615=1

SUSE Linux Enterprise Desktop 12-SP3:zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2017-1615=1

SUSE Linux Enterprise Desktop 12-SP2:zypper in -t patch SUSE-SLE-DESKTOP-12-SP2-2017-1615=1

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

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1060354

https://bugzilla.suse.com/show_bug.cgi?id=1060355

https://bugzilla.suse.com/show_bug.cgi?id=1060360

https://bugzilla.suse.com/show_bug.cgi?id=1060361

https://bugzilla.suse.com/show_bug.cgi?id=1060362

https://bugzilla.suse.com/show_bug.cgi?id=1060364

https://www.suse.com/security/cve/CVE-2017-14491/

https://www.suse.com/security/cve/CVE-2017-14492/

https://www.suse.com/security/cve/CVE-2017-14493/

https://www.suse.com/security/cve/CVE-2017-14494/

https://www.suse.com/security/cve/CVE-2017-14495/

https://www.suse.com/security/cve/CVE-2017-14496/

http://www.nessus.org/u?bff40da5

Plugin Details

Severity: Critical

ID: 103639

File Name: suse_SU-2017-2618-1.nasl

Version: 3.16

Type: local

Agent: unix

Published: 10/3/2017

Updated: 1/6/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

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:dnsmasq, p-cpe:/a:novell:suse_linux:dnsmasq-debuginfo, p-cpe:/a:novell:suse_linux:dnsmasq-debugsource, 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: 10/2/2017

Vulnerability Publication Date: 10/3/2017

Exploitable With

Core Impact

Reference Information

CVE: CVE-2017-14491, CVE-2017-14492, CVE-2017-14493, CVE-2017-14494, CVE-2017-14495, CVE-2017-14496

IAVA: 2017-A-0284-S