SB2023061230 - Multiple vulnerabilities in Zoom VDI Windows Meeting

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Improper privilege management (CVE-ID: CVE-2023-34120)

The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to improper privilege management. A local user can utilize higher level system privileges maintained by the Zoom client to spawn processes with escalated privileges.

2) Input validation error (CVE-ID: CVE-2023-34121)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can gain access to sensitive information.

3) Improper access control (CVE-ID: CVE-2023-28603)

The vulnerability allows a local user to delete arbitrary files on the system.

The vulnerability exists due to improper access restrictions within Zoom VDI client installer. A local user can delete arbitrary files on the system.

Remediation

Install update from vendor's website.

References

• https://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-23012
• https://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-23013
• https://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-23011