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CVE-2022-28766— DLL injection in Zoom Windows Clients

Quick assessment

Affected
Zoom Video Communications Inc Zoom Client for Meetings for Windows (32-bit)
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 Meetings 存在安全漏洞，该漏洞源于受到 DLL 注入漏洞的影响。

CVSS 3.3 · Low EPSS 0.53% · P43

Possible ATT&CK Techniques 1 AI

T1055 · Process Injection
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I. Basic Information for CVE-2022-28766

Vulnerability Information
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Vulnerability Title
DLL injection in Zoom Windows Clients
Source: CVE Program / CVE List V5
Vulnerability Description
Windows 32-bit versions of the Zoom Client for Meetings before 5.12.6 and Zoom Rooms for Conference Room before version 5.12.6 are susceptible to a DLL injection vulnerability. A local low-privileged user could exploit this vulnerability to run arbitrary code in the context of the Zoom client.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Zoom Client 代码问题漏洞
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 Meetings 存在安全漏洞，该漏洞源于受到 DLL 注入漏洞的影响。
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 Windows (32-bit) unspecified ~ 5.12.6 -
Zoom Video Communications Inc Zoom VDI Windows Meeting Client for Windows (32-bit) unspecified ~ 5.12.6 -
Zoom Video Communications Inc Zoom Rooms for Conference Room for Windows (32-bit) unspecified ~ 5.12.6 -

II. Public POCs for CVE-2022-28766

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III. Intelligence Information for CVE-2022-28766

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Other References for CVE-2022-28766 (1)

Same Patch Batch · Zoom Video Communications Inc · 2022-11-17 · 3 CVEs total

CVE-2022-28768 8.8 HIGH Local Privilege Escalation in Zoom Client Installer for macOS
CVE-2022-36924 8.8 HIGH Local Privilege Escalation in Zoom Rooms Installer for Windows

IV. Related Vulnerabilities

Same vendor: Zoom Video Communications Inc
Same weakness: CWE-94

V. Comments for CVE-2022-28766

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