SUSE SLES12 Security Update : wicked (SUSE-SU-2020:0351-1)

critical Nessus Plugin ID 133545

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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 :

Security issues fixed :

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).

Non-security issue fixed :

dhcp4: Fixed an intermittent hang during network setup by cleaning up the defer timer pointer (bsc#1142214).

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-SP5 :

zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-351=1

Plugin Details

Severity: Critical

ID: 133545

File Name: suse_SU-2020-0351-1.nasl

Version: 1.4

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 2/7/2020

Updated: 3/6/2020

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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

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: 2/6/2020

Vulnerability Publication Date: 2/5/2020

Reference Information

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

Detections

Analytics