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CVE-2021-34423

Buffer overflow in Zoom client and other products

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.8.4, 5.8.1, 5.0.1, 5.8.3, 5.8.4.21112, and 11 more
None on Exploit-DB, Metasploit or GitHub

Summary

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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Zoom Video Communications Inc Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows)

    fixed in 5.8.4

  • Zoom Video Communications Inc Zoom Client for Meetings for Blackberry (for Android and iOS)

    fixed in 5.8.1

  • Zoom Video Communications Inc Zoom Client for Meetings for intune (for Android and iOS)

    fixed in 5.8.4

  • Zoom Video Communications Inc Zoom Client for Meetings for Chrome OS

    fixed in 5.0.1

  • Zoom Video Communications Inc Zoom Rooms for Conference Room (for Android, AndroidBali, macOS, and Windows)

    fixed in 5.8.3

  • Zoom Video Communications Inc Controllers for Zoom Rooms (for Android, iOS, and Windows)

    fixed in 5.8.3

  • Zoom Video Communications Inc Zoom VDI Windows Meeting Client

    fixed in 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)

    fixed in 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)

    fixed in 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)

    fixed in 5.8.4.21112

  • Zoom Video Communications Inc Zoom Meeting SDK for Android

    fixed in 5.7.6.1922

  • Zoom Video Communications Inc Zoom Meeting SDK for iOS

    fixed in 5.7.6.1082

  • Zoom Video Communications Inc Zoom Meeting SDK for macOS

    fixed in 5.7.6.1340

  • Zoom Video Communications Inc Zoom Meeting SDK for Windows

    fixed in 5.7.6.1081

  • Zoom Video Communications Inc Zoom Video SDK (for Android, iOS, macOS, and Windows)

    fixed in 1.1.2

  • Zoom Video Communications Inc Zoom On-Premise Meeting Connector Controller

    fixed in 4.8.12.20211115

  • Zoom Video Communications Inc Zoom On-Premise Meeting Connector MMR

    fixed in 4.8.12.20211115

  • Zoom Video Communications Inc Zoom On-Premise Recording Connector

    fixed in 5.1.0.65.20211116

  • Zoom Video Communications Inc Zoom On-Premise Virtual Room Connector

    fixed in 4.4.7266.20211117

  • Zoom Video Communications Inc Zoom On-Premise Virtual Room Connector Load Balancer

    fixed in 2.5.5692.20211117

  • Zoom Video Communications Inc Zoom Hybrid Zproxy

    fixed in 1.0.1058.20211116

  • Zoom Video Communications Inc Zoom Hybrid MMR

    fixed in 4.6.20211116.131_x86-64

References 2

explore.zoom.us

packetstormsecurity.com