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

Quick assessment

Affected
Zoom Video Communications Inc Zoom On-Premise Meeting Connector Zone Controller (ZC)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Zoom On-Premise Meeting Connector是美国Zoom公司的一款会议连接器。 Zoom On-Premise Meeting Connector Zone Controller 4.8.20220419.112之前版本存在安全漏洞，该漏洞源于无法正确解析 STUN 错误代码，导致内存损坏。

CVSS 7.5 · High EPSS 1.96% · P80
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I. Basic Information for CVE-2022-28750

Vulnerability Information
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Vulnerability Title
Zoom On-Premise Deployments: Stack Buffer Overflow in Meeting Connector
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Zoom on-premise Meeting Connector 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zoom On-Premise Meeting Connector是美国Zoom公司的一款会议连接器。 Zoom On-Premise Meeting Connector Zone Controller 4.8.20220419.112之前版本存在安全漏洞，该漏洞源于无法正确解析 STUN 错误代码，导致内存损坏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Zoom Video Communications Inc Zoom On-Premise Meeting Connector Zone Controller (ZC) unspecified ~ 4.8.20220419.112 -

II. Public POCs for CVE-2022-28750

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III. Intelligence Information for CVE-2022-28750

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Other References for CVE-2022-28750 (1)

Same Patch Batch · Zoom Video Communications Inc · 2022-08-11 · 4 CVEs total

CVE-2022-28755 9.6 CRITICAL Improper URL parsing in Zoom Clients
CVE-2022-28753 7.1 HIGH Zoom On-Premise Deployments: Improper Access Control Vulnerability
CVE-2022-28754 7.1 HIGH Zoom On-Premise Deployments: Improper Access Control Vulnerability

IV. Related Vulnerabilities

Same vendor: Zoom Video Communications Inc
Same weakness: CWE-121

V. Comments for CVE-2022-28750

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