SB2023112235 - Security restrictions bypass in Open vSwitch
Published: November 22, 2023 Updated: February 9, 2024
Security Bulletin ID
SB2023112235
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Insufficient verification of data authenticity (CVE-ID: CVE-2023-5366)
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 update from vendor's website.