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Ubuntu 20.04 LTS / 22.04 LTS / 23.10 : Open vSwitch vulnerabilities (USN-6690-1)

medium Nessus Plugin ID 191928

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Synopsis

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

Description

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6690-1 advisory.

 Timothy Redaelli and Haresh Khandelwal discovered that Open vSwitch incorrectly handled certain crafted Geneve packets when hardware offloading via the netlink path is enabled. A remote attacker could possibly use this issue to cause Open vSwitch to crash, leading to a denial of service. (CVE-2023-3966)

 It was discovered that Open vSwitch incorrectly handled certain ICMPv6 Neighbor Advertisement packets. A remote attacker could possibly use this issue to redirect traffic to arbitrary IP addresses.
 (CVE-2023-5366)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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 packages.

See Also

https://ubuntu.com/security/notices/USN-6690-1

Plugin Details

Severity: Medium

ID: 191928

File Name: ubuntu_USN-6690-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 3/12/2024

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:C/A:N

CVSS Score Source: CVE-2023-5366

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:23.10, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:openvswitch-pki, p-cpe:/a:canonical:ubuntu_linux:openvswitch-vtep, p-cpe:/a:canonical:ubuntu_linux:openvswitch-common, p-cpe:/a:canonical:ubuntu_linux:openvswitch-switch, p-cpe:/a:canonical:ubuntu_linux:python3-openvswitch, p-cpe:/a:canonical:ubuntu_linux:openvswitch-switch-dpdk, p-cpe:/a:canonical:ubuntu_linux:openvswitch-ipsec, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:openvswitch-source, p-cpe:/a:canonical:ubuntu_linux:openvswitch-testcontroller, p-cpe:/a:canonical:ubuntu_linux:openvswitch-test

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/12/2024

Vulnerability Publication Date: 10/6/2023

Reference Information

CVE: CVE-2023-3966, CVE-2023-5366

USN: 6690-1