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CVE-2022-28756— Local Privilege Escalation in Auto Updater for Zoom Client for Meetings for macOS

Quick assessment

Affected
Zoom Video Communications Inc Zoom Client for Meetings for MacOS
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 Client是美国Zoom公司的一款支持多种平台的视频会议客户端应用程序。 Zoom Client for MacOS（标准版和IT管理版） 5.7.3至5.11.5之前的版本存在安全漏洞，该漏洞源于本地用户可以利用自动更新过程中的漏洞将其权限升级为root。

CVSS 8.8 · High EPSS 0.18% · P6

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2022-28756

Vulnerability Information
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Vulnerability Title
Local Privilege Escalation in Auto Updater for Zoom Client for Meetings for macOS
Source: CVE Program / CVE List V5
Vulnerability Description
The Zoom Client for Meetings for macOS (Standard and for IT Admin) starting with version 5.7.3 and before 5.11.5 contains a vulnerability in the auto update process. A local low-privileged user could exploit this vulnerability to escalate their privileges to root.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Zoom Client 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zoom Client是美国Zoom公司的一款支持多种平台的视频会议客户端应用程序。 Zoom Client for MacOS（标准版和IT管理版） 5.7.3至5.11.5之前的版本存在安全漏洞，该漏洞源于本地用户可以利用自动更新过程中的漏洞将其权限升级为root。
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 Client for Meetings for MacOS next of 5.7.3 ~ unspecified -

II. Public POCs for CVE-2022-28756

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III. Intelligence Information for CVE-2022-28756

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Other References for CVE-2022-28756 (1)

IV. Related Vulnerabilities

Same product: Zoom Client for Meetings for MacOS
Same vendor: Zoom Video Communications Inc
Same weakness: CWE-347

V. Comments for CVE-2022-28756

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