SUSE SLED12 / SLES12 Security Update : wicked (SUSE-SU-2020:0369-1)

critical Nessus Plugin ID 133599

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Synopsis

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

Description

This update for wicked fixes the following issues :

CVE-2019-18902: Fixed a use-after-free when receiving invalid DHCP6 client options (bsc#1160903).

CVE-2019-18903: Fixed a use-after-free when receiving invalid DHCP6 IA_PD option (bsc#1160904).

CVE-2020-7216: Fixed a potential denial of service via a memory leak when processing packets with missing message type option in DHCP4 (bsc#1160905).

CVE-2020-7217: Fixed a memory leak in DHCP4 fsm when processing packets for other client ids (bsc#1160906).

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 Linux Enterprise Server 12-SP4 :

zypper in -t patch SUSE-SLE-SERVER-12-SP4-2020-369=1

SUSE Linux Enterprise Desktop 12-SP4 :

zypper in -t patch SUSE-SLE-DESKTOP-12-SP4-2020-369=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1160903

https://bugzilla.suse.com/show_bug.cgi?id=1160904

https://bugzilla.suse.com/show_bug.cgi?id=1160905

https://bugzilla.suse.com/show_bug.cgi?id=1160906

https://www.suse.com/security/cve/CVE-2019-18902/

https://www.suse.com/security/cve/CVE-2019-18903/

https://www.suse.com/security/cve/CVE-2020-7216/

https://www.suse.com/security/cve/CVE-2020-7217/

http://www.nessus.org/u?e3215c7d

Plugin Details

Severity: Critical

ID: 133599

File Name: suse_SU-2020-0369-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2/10/2020

Updated: 3/6/2020

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2019-18903

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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:U/RL:O/RC:C

Vulnerability Information

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

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: 2/7/2020

Vulnerability Publication Date: 2/5/2020

Reference Information

CVE: CVE-2019-18902, CVE-2019-18903, CVE-2020-7216, CVE-2020-7217