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SUSE SLES11 Security Update : openvpn-openssl1 (SUSE-SU-2022:14937-1)

critical Nessus Plugin ID 159566

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES11 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2022:14937-1 advisory.

 - OpenVPN 2.1 until v2.4.12 and v2.5.6 may enable authentication bypass in external authentication plug-ins when more than one of them makes use of deferred authentication replies, which allows an external user to be granted access with only partially correct credentials. (CVE-2022-0547)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected openvpn-openssl1 and / or openvpn-openssl1-down-root-plugin packages.

See Also

https://bugzilla.suse.com/1197341

https://www.suse.com/security/cve/CVE-2022-0547

http://www.nessus.org/u?a0947f66

Plugin Details

Severity: Critical

ID: 159566

File Name: suse_SU-2022-14937-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 4/7/2022

Updated: 7/13/2023

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: 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-2022-0547

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:11, p-cpe:/a:novell:suse_linux:openvpn-openssl1, p-cpe:/a:novell:suse_linux:openvpn-openssl1-down-root-plugin

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: 4/6/2022

Vulnerability Publication Date: 3/16/2022

Reference Information

CVE: CVE-2022-0547

SuSE: SUSE-SU-2022:14937-1