Debian DLA-3168-1 : openvswitch - LTS security update

critical Nessus Plugin ID 166707

Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 10 host has packages installed that are affected by a vulnerability as referenced in the dla-3168 advisory.

- 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)

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

Solution

Upgrade the openvswitch packages.

For Debian 10 buster, this problem has been fixed in version 2.10.7+ds1-0+deb10u2.

See Also

https://security-tracker.debian.org/tracker/source-package/openvswitch

https://www.debian.org/lts/security/2022/dla-3168

https://security-tracker.debian.org/tracker/CVE-2022-32166

https://packages.debian.org/source/buster/openvswitch

Plugin Details

Severity: Critical

ID: 166707

File Name: debian_DLA-3168.nasl

Version: 1.4

Type: local

Agent: unix

Published: 10/30/2022

Updated: 11/8/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.0

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-2022-32166

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: p-cpe:/a:debian:debian_linux:openvswitch-testcontroller, p-cpe:/a:debian:debian_linux:openvswitch-vtep, p-cpe:/a:debian:debian_linux:openvswitch-switch, p-cpe:/a:debian:debian_linux:openvswitch-common, p-cpe:/a:debian:debian_linux:openvswitch-pki, p-cpe:/a:debian:debian_linux:ovn-controller-vtep, p-cpe:/a:debian:debian_linux:openvswitch-dev, p-cpe:/a:debian:debian_linux:python3-openvswitch, cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:ovn-central, p-cpe:/a:debian:debian_linux:python-openvswitch, p-cpe:/a:debian:debian_linux:ovn-host, p-cpe:/a:debian:debian_linux:openvswitch-dbg

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 10/29/2022

Vulnerability Publication Date: 9/28/2022

Reference Information

CVE: CVE-2022-32166