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Rewterz Threat Advisory – Multiple Zoom Vulnerabilities

Severity

High

Analysis Summary

CVE-2023-22882 CVSS:7.7

Zoom is vulnerable to a denial of service, caused by a STUN parsing vulnerability. By sending specially crafted UDP traffic, a remote authenticated attacker could exploit this vulnerability to cause the application to crash.

CVE-2023-22885 CVSS:9.6

Zoom Clients could allow a remote attacker to execute arbitrary code on the system, caused by improper trust boundary implementation for SMB. By sending a specially crafted request, an attacker could exploit this vulnerability to gain access to a user’s device and data, and remote code execution.

CVE-2023-22883 CVSS:7.2

Zoom Client for Meetings for IT Admin Windows installers could allow a local authenticated attacker to gain elevated privileges on the system. By sending a specially crafted request, an attacker could exploit this vulnerability to escalate their privileges to the SYSTEM user.

CVE-2023-22881 CVSS:6.5

Zoom is vulnerable to a denial of service, caused by a STUN parsing vulnerability. By sending specially crafted UDP traffic, a remote authenticated attacker could exploit this vulnerability to cause the application to crash.

CVE-2023-22880 CVSS:6.8

Zoom for Windows clients could allow a remote authenticated attacker to obtain sensitive information. By sending a specially crafted request, an attacker could exploit this vulnerability to obtain sensitive information.

Impact

  • Denial of Service
  • Privilege Escalation
  • Information Disclosure

Indicators Of Compromise

CVE

  • CVE-2023-22882
  • CVE-2023-22885
  • CVE-2023-22883
  • CVE-2023-22881
  • CVE-2023-22880

Affected Vendors

Zoom

Affected Products

  • Zoom (for Android
  • iOS
  • Linux
  • macOS
  • and Windows) clients 5.13.4
  • Zoom VDI Windows Meeting clients 5.13.9
  • Zoom for Windows clients 5.13.2
  • Zoom Rooms for Windows clients 5.13.2
  • Zoom VDI for Windows clients 5.13

Remediation

Refer to Zoom Security Bulletin for patch, upgrade or suggested workaround information.

CVE-2023-22882

CVE-2023-22885

CVE-2023-22883

CVE-2023-22881

CVE-2023-22880