#VU66601 Improper Verification of Cryptographic Signature in Zoom Workplace Desktop App for macOS - CVE-2022-28751

Vulnerability identifier: #VU66601

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-28751

CWE-ID: CWE-347

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Zoom Workplace Desktop App for macOS
Client/Desktop applications / Office applications

Vendor: Zoom Video Communications, Inc.

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper validation of the package signature in the update process. A local user can place a malicious package in the application directory and execute arbitrary code on the system with root privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Zoom Workplace Desktop App for macOS: 4.6.9 19273.0402 - 5.10.7 7748

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External links
https://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-22017

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.