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SUSE SLED15 / SLES15 Security Update : sudo (SUSE-SU-2020:0408-1)

high Nessus Plugin ID 133832

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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 Linux Enterprise Server for SAP 15:zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-408=1

SUSE Linux Enterprise Server 15-LTSS:zypper in -t patch SUSE-SLE-Product-SLES-15-2020-408=1

SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1:zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2020-408=1

SUSE Linux Enterprise Module for Open Buildservice Development Tools 15:zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2020-408=1

SUSE Linux Enterprise Module for Basesystem 15-SP1:zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-408=1

SUSE Linux Enterprise Module for Basesystem 15:zypper in -t patch SUSE-SLE-Module-Basesystem-15-2020-408=1

SUSE Linux Enterprise High Performance Computing 15-LTSS:zypper in -t patch SUSE-SLE-Product-HPC-15-2020-408=1

SUSE Linux Enterprise High Performance Computing 15-ESPOS:zypper in -t patch SUSE-SLE-Product-HPC-15-2020-408=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?8f996e62

Plugin Details

Severity: High

ID: 133832

File Name: suse_SU-2020-0408-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2/20/2020

Updated: 3/26/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, 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: p-cpe:/a:novell:suse_linux:sudo, p-cpe:/a:novell:suse_linux:sudo-devel, p-cpe:/a:novell:suse_linux:sudo-debugsource, p-cpe:/a:novell:suse_linux:sudo-test, p-cpe:/a:novell:suse_linux:sudo-debuginfo, cpe:/o:novell:suse_linux:15

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