PT-2022-4375 · Zoom · Zoom Client For Meetings

Patrick Wardle · Published 2022-08-17 · Updated 2022-08-19 · CVE-2022-28751

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Zoom Client for Meetings versions prior to 5.11.3

Description The issue is related to incorrect cryptographic signature validation in the update process of the Zoom Client for Meetings for macOS. This could allow a local low-privileged user to exploit the vulnerability and escalate their privileges to root.

Recommendations For versions prior to 5.11.3, update to version 5.11.3 or later to resolve the issue. As a temporary workaround, consider restricting the update process until a patch is applied.

Fix

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

BDU:2022-05238

CVE-2022-28751

Affected Products

Zoom Client For Meetings

References · 5

• https://explore.zoom.us/en/trust/security/security-bulletin · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-05238 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-28751 · Security Note
• https://osv.dev/vulnerability/CVE-2022-28751 · Vendor Advisory
• https://t.me/cibsecurity/48321 · Telegram Post