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SUSE SLED12 / SLES12 Security Update : sudo (SUSE-SU-2020:0406-1)

high Nessus Plugin ID 133830

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Synopsis

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

Description

This update for sudo fixes the following issues :

Security issue fixed :

CVE-2019-18634: Fixed a buffer overflow in the passphrase prompt that could occur when pwfeedback was enabled in /etc/sudoers (bsc#1162202).

Non-security issue fixed: Fixed an issue where sudo -l would ask for a password even though `listpw` was set to `never` (bsc#1162675).

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 8:zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2020-406=1

SUSE OpenStack Cloud 8:zypper in -t patch SUSE-OpenStack-Cloud-8-2020-406=1

SUSE Linux Enterprise Software Development Kit 12-SP4:zypper in -t patch SUSE-SLE-SDK-12-SP4-2020-406=1

SUSE Linux Enterprise Server for SAP 12-SP3:zypper in -t patch SUSE-SLE-SAP-12-SP3-2020-406=1

SUSE Linux Enterprise Server 12-SP4:zypper in -t patch SUSE-SLE-SERVER-12-SP4-2020-406=1

SUSE Linux Enterprise Server 12-SP3-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-SP3-2020-406=1

SUSE Linux Enterprise Server 12-SP3-BCL:zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2020-406=1

SUSE Linux Enterprise Desktop 12-SP4:zypper in -t patch SUSE-SLE-DESKTOP-12-SP4-2020-406=1

SUSE Enterprise Storage 5:zypper in -t patch SUSE-Storage-5-2020-406=1

SUSE CaaS Platform 3.0 :

To install this update, use the SUSE CaaS Platform Velum dashboard. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.

HPE Helion Openstack 8:zypper in -t patch HPE-Helion-OpenStack-8-2020-406=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1162202

https://bugzilla.suse.com/show_bug.cgi?id=1162675

https://www.suse.com/security/cve/CVE-2019-18634/

http://www.nessus.org/u?1471c298

Plugin Details

Severity: High

ID: 133830

File Name: suse_SU-2020-0406-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2/20/2020

Updated: 3/26/2024

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2019-18634

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/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:sudo-debugsource, p-cpe:/a:novell:suse_linux:sudo-debuginfo, p-cpe:/a:novell:suse_linux:sudo

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: 2/19/2020

Vulnerability Publication Date: 1/29/2020

Reference Information

CVE: CVE-2019-18634