SUSE SLED12 / SLES12 Security Update : dnsmasq (SUSE-SU-2020:0419-1)

low Nessus Plugin ID 133837

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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 :

Security issue fixed :

CVE-2019-14834: Fixed a memory leak which could have allowed to remote attackers to cause denial of service via DHCP response creation (bsc#1154849)

Other issue addressed: Removed cache size limit (bsc#1138743).

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 OpenStack Cloud Crowbar 9:zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2020-419=1

SUSE OpenStack Cloud Crowbar 8:zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2020-419=1

SUSE OpenStack Cloud 9:zypper in -t patch SUSE-OpenStack-Cloud-9-2020-419=1

SUSE OpenStack Cloud 8:zypper in -t patch SUSE-OpenStack-Cloud-8-2020-419=1

SUSE OpenStack Cloud 7:zypper in -t patch SUSE-OpenStack-Cloud-7-2020-419=1

SUSE Linux Enterprise Server 12-SP5:zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-419=1

SUSE Linux Enterprise Server 12-SP4:zypper in -t patch SUSE-SLE-SERVER-12-SP4-2020-419=1

SUSE Linux Enterprise Desktop 12-SP4:zypper in -t patch SUSE-SLE-DESKTOP-12-SP4-2020-419=1

HPE Helion Openstack 8:zypper in -t patch HPE-Helion-OpenStack-8-2020-419=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1138743

https://bugzilla.suse.com/show_bug.cgi?id=1154849

https://www.suse.com/security/cve/CVE-2019-14834/

http://www.nessus.org/u?809529a9

Plugin Details

Severity: Low

ID: 133837

File Name: suse_SU-2020-0419-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2/20/2020

Updated: 2/19/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2019-14834

CVSS v3

Risk Factor: Low

Base Score: 3.7

Temporal Score: 3.2

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

Temporal Vector: CVSS:3.0/E:U/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 Ease: No known exploits are available

Patch Publication Date: 2/19/2020

Vulnerability Publication Date: 1/7/2020

Reference Information

CVE: CVE-2019-14834

IAVA: 2020-A-0194-S