PT-2023-18748 · Zoom · Zoom

Published 2023-03-16 · Updated 2023-03-28 · CVE-2023-22881

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Zoom clients before version 5.13.5

Description A malicious actor could send specially crafted UDP traffic to a victim Zoom client to remotely cause the client to crash, causing a denial of service. This issue is related to a STUN parsing vulnerability.

Recommendations For Zoom clients before version 5.13.5, update to version 5.13.5 or later to resolve the issue. As a temporary workaround, consider restricting UDP traffic to minimize the risk of exploitation.

Fix

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2023-22881

Affected Products

Zoom

References · 5

• https://osv.dev/vulnerability/CVE-2023-22881 · Vendor Advisory
• https://explore.zoom.us/en/trust/security/security-bulletin · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-22881 · Security Note
• https://t.me/cvenotify/47000 · Telegram Post
• https://t.me/cibsecurity/60209 · Telegram Post