SUSE SLES12 Security Update : openvswitch (SUSE-SU-2023:2360-1)

critical Nessus Plugin ID 176646

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Synopsis

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

Description

The remote SUSE Linux SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:2360-1 advisory.

- Open vSwitch (aka openvswitch) 2.11.0 through 2.15.0 has a use-after-free in decode_NXAST_RAW_ENCAP (called from ofpact_decode and ofpacts_decode) during the decoding of a RAW_ENCAP action. (CVE-2021-36980)

- In ovs versions v0.90.0 through v2.5.0 are vulnerable to heap buffer over-read in flow.c. An unsafe comparison of minimasks function could lead access to an unmapped region of memory. This vulnerability is capable of crashing the software, memory modification, and possible remote execution. (CVE-2022-32166)

- An out-of-bounds read in Organization Specific TLV was found in various versions of OpenvSwitch.
(CVE-2022-4337)

- An integer underflow in Organization Specific TLV was found in various versions of OpenvSwitch.
(CVE-2022-4338)

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

Solution

Update the affected libopenvswitch-2_8-0 and / or openvswitch packages.

Plugin Details

Severity: Critical

ID: 176646

File Name: suse_SU-2023-2360-1.nasl

Version: 1.2

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 6/3/2023

Updated: 7/14/2023

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: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2021-36980

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

CVSS Score Source: CVE-2022-4338

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:openvswitch, p-cpe:/a:novell:suse_linux:libopenvswitch-2_8-0

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: 6/2/2023

Vulnerability Publication Date: 7/20/2021

Reference Information

CVE: CVE-2021-36980, CVE-2022-32166, CVE-2022-4337, CVE-2022-4338

SuSE: SUSE-SU-2023:2360-1

Detections

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