#VU83767 Untrusted search path in Virtual Desktop Infrastructure (VDI) and Zoom Workplace Desktop App for Windows - CVE-2023-39203

Vulnerability identifier: #VU83767

Vulnerability risk: Low

CVSSv4.0: 5.9 [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]

CVE-ID: CVE-2023-39203

CWE-ID: CWE-426

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Virtual Desktop Infrastructure (VDI)
Server applications / Conferencing, Collaboration and VoIP solutions
Zoom Workplace Desktop App for Windows
Client/Desktop applications / Office applications

Vendor: Zoom Video Communications, Inc.

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to usage of an untrusted search path. A local user can place a malicious binary into a specific location on the system and execute arbitrary code with escalated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Virtual Desktop Infrastructure (VDI): 5.0.1 - 5.15.10 24130

Zoom Workplace Desktop App for Windows: 5.0.0 23168.0427 - 5.15.12 21574

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External links
https://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-23047

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.