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CVE-2021-34423— ZOOM Client 安全漏洞

一分钟漏洞结论

影响对象
Zoom Video Communications Inc Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows)
利用判断
尚无明确在野利用证据,仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本;无法立即升级时,限制受影响服务暴露并加强监测。

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,该漏洞源于在5.8.4版本之前发现Zoom Client for Meetings(适用于Android、iOS、Linux、macOS和Windows)缓冲区溢出漏洞,在5.8.1版本之前发现Zoom Client for Meetings for Blackberry(适用于Android和iOS),在5.8.4版本之前发现Zoom Client for

AI 预测 8.4 利用难度: 较易 EPSS 3.27% · P88
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一、 漏洞 CVE-2021-34423 基础信息

漏洞信息

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Vulnerability Title
Buffer overflow in Zoom client and other products
来源: CVE Program / CVE List V5
Vulnerability Description
A buffer overflow vulnerability was discovered in Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.8.4, Zoom Client for Meetings for Blackberry (for Android and iOS) before version 5.8.1, Zoom Client for Meetings for intune (for Android and iOS) before version 5.8.4, Zoom Client for Meetings for Chrome OS before version 5.0.1, Zoom Rooms for Conference Room (for Android, AndroidBali, macOS, and Windows) before version 5.8.3, Controllers for Zoom Rooms (for Android, iOS, and Windows) before version 5.8.3, Zoom VDI Windows Meeting Client before version 5.8.4, Zoom VDI Azure Virtual Desktop Plugins (for Windows x86 or x64, IGEL x64, Ubuntu x64, HP ThinPro OS x64) before version 5.8.4.21112, Zoom VDI Citrix Plugins (for Windows x86 or x64, Mac Universal Installer & Uninstaller, IGEL x64, eLux RP6 x64, HP ThinPro OS x64, Ubuntu x64, CentOS x 64, Dell ThinOS) before version 5.8.4.21112, Zoom VDI VMware Plugins (for Windows x86 or x64, Mac Universal Installer & Uninstaller, IGEL x64, eLux RP6 x64, HP ThinPro OS x64, Ubuntu x64, CentOS x 64, Dell ThinOS) before version 5.8.4.21112, Zoom Meeting SDK for Android before version 5.7.6.1922, Zoom Meeting SDK for iOS before version 5.7.6.1082, Zoom Meeting SDK for macOS before version 5.7.6.1340, Zoom Meeting SDK for Windows before version 5.7.6.1081, Zoom Video SDK (for Android, iOS, macOS, and Windows) before version 1.1.2, Zoom On-Premise Meeting Connector Controller before version 4.8.12.20211115, Zoom On-Premise Meeting Connector MMR before version 4.8.12.20211115, Zoom On-Premise Recording Connector before version 5.1.0.65.20211116, Zoom On-Premise Virtual Room Connector before version 4.4.7266.20211117, Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5692.20211117, Zoom Hybrid Zproxy before version 1.0.1058.20211116, and Zoom Hybrid MMR before version 4.6.20211116.131_x86-64. This can potentially allow a malicious actor to crash the service or application, or leverage this vulnerability to execute arbitrary code.
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
Vulnerability Title
ZOOM Client 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
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,该漏洞源于在5.8.4版本之前发现Zoom Client for Meetings(适用于Android、iOS、Linux、macOS和Windows)缓冲区溢出漏洞,在5.8.1版本之前发现Zoom Client for Meetings for Blackberry(适用于Android和iOS),在5.8.4版本之前发现Zoom Client for
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
Zoom Video Communications Inc Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) unspecified ~ 5.8.4 -
Zoom Video Communications Inc Zoom Client for Meetings for Blackberry (for Android and iOS) unspecified ~ 5.8.1 -
Zoom Video Communications Inc Zoom Client for Meetings for intune (for Android and iOS) unspecified ~ 5.8.4 -
Zoom Video Communications Inc Zoom Client for Meetings for Chrome OS unspecified ~ 5.0.1 -
Zoom Video Communications Inc Zoom Rooms for Conference Room (for Android, AndroidBali, macOS, and Windows) unspecified ~ 5.8.3 -
Zoom Video Communications Inc Controllers for Zoom Rooms (for Android, iOS, and Windows) unspecified ~ 5.8.3 -
Zoom Video Communications Inc Zoom VDI Windows Meeting Client unspecified ~ 5.8.4 -
Zoom Video Communications Inc Zoom VDI Azure Virtual Desktop Plugins (for Windows x86 or x64, IGEL x64, Ubuntu x64, HP ThinPro OS x64) unspecified ~ 5.8.4.21112 -
Zoom Video Communications Inc Zoom VDI Citrix Plugins (for Windows x86 or x64, Mac Universal Installer & Uninstaller, IGEL x64, eLux RP6 x64, HP ThinPro OS x64, Ubuntu x64, CentOS x 64, Dell ThinOS) unspecified ~ 5.8.4.21112 -
Zoom Video Communications Inc Zoom VDI VMware Plugins (for Windows x86 or x64, Mac Universal Installer & Uninstaller, IGEL x64, eLux RP6 x64, HP ThinPro OS x64, Ubuntu x64, CentOS x 64, Dell ThinOS) unspecified ~ 5.8.4.21112 -
Zoom Video Communications Inc Zoom Meeting SDK for Android unspecified ~ 5.7.6.1922 -
Zoom Video Communications Inc Zoom Meeting SDK for iOS unspecified ~ 5.7.6.1082 -
Zoom Video Communications Inc Zoom Meeting SDK for macOS unspecified ~ 5.7.6.1340 -
Zoom Video Communications Inc Zoom Meeting SDK for Windows unspecified ~ 5.7.6.1081 -
Zoom Video Communications Inc Zoom Video SDK (for Android, iOS, macOS, and Windows) unspecified ~ 1.1.2 -
Zoom Video Communications Inc Zoom On-Premise Meeting Connector Controller unspecified ~ 4.8.12.20211115 -
Zoom Video Communications Inc Zoom On-Premise Meeting Connector MMR unspecified ~ 4.8.12.20211115 -
Zoom Video Communications Inc Zoom On-Premise Recording Connector unspecified ~ 5.1.0.65.20211116 -
Zoom Video Communications Inc Zoom On-Premise Virtual Room Connector unspecified ~ 4.4.7266.20211117 -
Zoom Video Communications Inc Zoom On-Premise Virtual Room Connector Load Balancer unspecified ~ 2.5.5692.20211117 -
Zoom Video Communications Inc Zoom Hybrid Zproxy unspecified ~ 1.0.1058.20211116 -
Zoom Video Communications Inc Zoom Hybrid MMR unspecified ~ 4.6.20211116.131_x86-64 -

二、漏洞 CVE-2021-34423 的公开POC

# POC 描述 源链接 神龙链接
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三、漏洞 CVE-2021-34423 的情报信息

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CVE-2021-34423 公开利用代码 (1)

CVE-2021-34423 其他参考 (1)

IV. Related Vulnerabilities

V. Comments for CVE-2021-34423

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