Red Hat Enterprise Linux 8 update for open-vm-tools

Published: 2023-09-19

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2023-20900
CWE-ID	CWE-310
Exploitation vector	Local network
Public exploit	N/A
Vulnerable software Subscribe	Red Hat Enterprise Linux Server - TUS Operating systems & Components / Operating system Red Hat Enterprise Linux Server - AUS Operating systems & Components / Operating system open-vm-tools (Red Hat package) Operating systems & Components / Operating system package or component
Vendor	Red Hat Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Cryptographic issues

EUVDB-ID: #VU80188

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2023-20900

CWE-ID: CWE-310 - Cryptographic Issues

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to improper verification of SAML token signature. A remote attacker can bypass SAML token signature verification and perform man-in-the-middle (MITM) network positioning between vCenter server and the virtual machine.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server - TUS: 8.4

Red Hat Enterprise Linux Server - AUS: 8.4

open-vm-tools (Red Hat package): before 11.2.0-2.el8_4.3

CPE2.3

cpe:2.3:o:red_hat:red_hat_enterprise_linux_server_-_tus:8.4:*:*:*:*:red_hat_enterprise_linux:*:*

External links

http://access.redhat.com/errata/RHSA-2023:5216

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?