Vulnerability · Published Aug 11, 2022 · Assigned by Zoom

CVE-2022-28750Zoom On-Premise Deployments: Stack Buffer Overflow in Meeting Connector

High 7.5

In plain English

A high-severity stack buffer overflow in Zoom On-Premise Meeting Connector Zone Controller (ZC) from Zoom Video Communications Inc. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.2% (higher than 82% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)2.2%top 17.7% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Zoom On-Premise Meeting Connector Zone Controller (ZC) before version 4.8.20220419.112 fails to properly parse STUN error codes, which can result in memory corruption and could allow a malicious actor to crash the application. In versions older than 4.8.12.20211115, this vulnerability could also be leveraged to execute arbitrary code.

Affected products (as reported)

Vendor	Product	Versions
Zoom Video Communications Inc	Zoom On-Premise Meeting Connector Zone Controller (ZC)	unspecified – before 4.8.20220419.112

Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

https://explore.zoom.us/en/trust/security/security-bulletin/ x_refsource_MISC