SB2023061228 - Multiple vulnerabilities in Zoom Rooms client for Windows

Description

This security bulletin contains information about 2 vulnerabilities.

1) Improper privilege management (CVE-ID: CVE-2023-34120)

CWE-ID: CWE-269 - Improper Privilege Management

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to improper privilege management. A local user can utilize higher level system privileges maintained by the Zoom client to spawn processes with escalated privileges.

2) Input validation error (CVE-ID: CVE-2023-34121)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can gain access to sensitive information.

Remediation

Install update from vendor's website.

References

• https://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-23012
• https://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-23013