Insufficient verification of data authenticity in Open vSwitch - CVE-2023-5366

 

Insufficient verification of data authenticity in Open vSwitch - CVE-2023-5366

Published: November 22, 2023 / Updated: February 9, 2024


Vulnerability identifier: #VU83434
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-5366
CWE-ID: CWE-345
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Open vSwitch
Software vendor:
openvswitch.org

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to missing verification of data authenticity when handling ICMPv6 Neighbor Advertisement packets between virtual machines. A local user can bypass OpenFlow rules and send otherwise restricted packets.


Remediation

Install updates from vendor's website.

External links