SB2023062239 - SUSE update for open-vm-tools
Published: June 22, 2023
Security Bulletin ID
SB2023062239
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Authentication (CVE-ID: CVE-2023-20867)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in the vgauth module. An attacker who compromised the ESXi host can bypass authentication process and execute privileged commands across Windows, Linux, and PhotonOS (vCenter) guest VMs without authentication of guest credentials from a compromised ESXi host and no default logging on guest VMs.
Note, the vulnerability is being actively exploited in the wild by the UNC3886 APT actor.
Remediation
Install update from vendor's website.