PT-2022-4162 · Zoom · Zoom Client For Meetings

Patrick Wardle · Published 2022-08-13 · Updated 2022-08-16 · CVE-2022-28756

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 for macOS versions 5.7.3 through 5.11.5

Description The issue is related to a vulnerability in the auto update process, specifically due to incorrect cryptographic signature verification. This could allow a local low-privileged user to escalate their privileges to root.

Recommendations For versions 5.7.3 through 5.11.5, update to a version after 5.11.5 to resolve the issue. As a temporary workaround, consider disabling the auto-update feature until a patch is available. Restrict access to the auto-update process to minimize the risk of exploitation.

Fix

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

BDU:2022-05005

CVE-2022-28756

Affected Products

Zoom Client For Meetings

References · 6

• https://explore.zoom.us/en/trust/security/security-bulletin · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-28756 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-05005 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-28756 · Security Note
• https://t.me/cvenotify/34718 · Telegram Post
• https://t.me/pentestingnews/26952 · Telegram Post