Improper validation of certificate with host mismatch in Zoom Video Communications, Inc. products - CVE-2022-22787

Vulnerability identifier: #VU63591

CSH Severity: Medium

CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-22787

CWE-ID: CWE-297

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to software fails to properly validate the hostname during a server switch request. A remote attacker can perform a man-in-the-middle (MitM) attack.

Zoom Workplace Desktop App for Windows
Zoom Workplace Desktop App for macOS
Zoom Workplace Desktop App for Linux
Zoom Workplace App for iOS
Zoom Workplace App for Android

Install updates from vendor's website.

Zoom Workplace Desktop App for Windows - update to 5.10.0 4306
Zoom Workplace Desktop App for macOS - update to 5.10.0 5714
Zoom Workplace App for iOS - update to 5.10.0 2988
Zoom Workplace App for Android - update to 5.10.0 5129
Zoom Workplace Desktop App for Linux - update to 5.10.0 2450

• https://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-22009

• Multiple vulnerabilities in Zoom Client