QID 376117

Date Published: 2021-12-01

QID 376117: Zoom Client Multiple Vulnerabilities

Zoom provides video communications with a cloud platform for video and audio conferencing, chat, and webinars across mobile, desktop, and room systems.

CVE-2021-34424: Process memory exposure in Zoom Client and other products
CVE-2021-34423:Buffer overflow in Zoom Client and other products

Affected Versions:
Zoom Client for Meetings macOS and Windows before version 5.8.4

QID Detection Logic:
This authenticated QID detects vulnerable Zoom client versions by checking if they are lesser than 5.8.4 on Windows and on Mac OS.

allow a malicious actor to crash the service or application, or leverage this vulnerability to execute arbitrary code.

CVSS V3 rated as Critical - 9.8 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

Customers are advised to upgrade to Zoom Client 5.8.4 on Windows and on Mac OS or later to remediate these vulnerabilities.

Vendor References

ZSB-21019 - explore.zoom.us/en/trust/security/security-bulletin/

CVEs related to QID 376117

CVE-2021-34423 | CVE-2021-34424 |

Software Advisories

Advisory ID	Software	Component	Link
ZSB-21019			explore.zoom.us/en/trust/security/security-bulletin/
ZSB-21020			explore.zoom.us/en/trust/security/security-bulletin/

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