#VU66604 Link following in Zoom Rooms for Windows - CVE-2022-28752

Vulnerability identifier: #VU66604

Vulnerability risk: Medium

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:Green]

CVE-ID: CVE-2022-28752

CWE-ID: CWE-59

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Zoom Rooms 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 a symlink following issue. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with SYSTEM user privileges.

Successful exploitation of this vulnerability may result in privilege escalation.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Zoom Rooms for Windows: 4.6.5 18374.0407 - 5.10.6 1421

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External links
https://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-22013

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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.