SUSE SLED15 / SLES15 Security Update : openvpn (SUSE-SU-2021:1577-1)

critical Nessus Plugin ID 149458
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

This update for openvpn fixes the following issues :

CVE-2020-15078: Fixed authentication bypass with deferred authentication (bsc#1185279).

CVE-2020-11810: Fixed race condition between allocating peer-id and initializing data channel key (bsc#1169925).

CVE-2018-7544: Fixed cross-protocol scripting issue that was discovered in the management interface (bsc#1085803).

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 Module for Basesystem 15-SP3 :

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2021-1577=1

SUSE Linux Enterprise Module for Basesystem 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-1577=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1085803

https://bugzilla.suse.com/show_bug.cgi?id=1169925

https://bugzilla.suse.com/show_bug.cgi?id=1185279

https://www.suse.com/security/cve/CVE-2018-7544/

https://www.suse.com/security/cve/CVE-2020-11810/

https://www.suse.com/security/cve/CVE-2020-15078/

http://www.nessus.org/u?9b62fa32

Plugin Details

Severity: Critical

ID: 149458

File Name: suse_SU-2021-1577-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 5/13/2021

Updated: 5/24/2021

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2018-7544

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:openvpn, p-cpe:/a:novell:suse_linux:openvpn-auth-pam-plugin, p-cpe:/a:novell:suse_linux:openvpn-auth-pam-plugin-debuginfo, p-cpe:/a:novell:suse_linux:openvpn-debuginfo, p-cpe:/a:novell:suse_linux:openvpn-debugsource, p-cpe:/a:novell:suse_linux:openvpn-devel, cpe:/o:novell:suse_linux:15

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: 5/12/2021

Vulnerability Publication Date: 3/16/2018

Reference Information

CVE: CVE-2018-7544, CVE-2020-11810, CVE-2020-15078