#VU64380 Insecure DLL loading in Zoom Workplace Desktop App for Windows and Zoom Rooms for Windows - CVE-2022-22788

Vulnerability identifier: #VU64380

Vulnerability risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-22788

CWE-ID: CWE-427

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Zoom Workplace Desktop App for Windows
Client/Desktop applications / Office applications
Zoom Rooms for Windows
Client/Desktop applications / Office applications

Vendor: Zoom Video Communications, Inc.

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner via the Zoom Opener installer. A remote attacker can place a specially crafted .dll file on a remote SMB fileshare, trick the victim into opening a file, associated with the vulnerable application, and execute arbitrary code on victim's system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Zoom Workplace Desktop App for Windows: 5.0.0 23168.0427 - 5.10.1 4420

Zoom Rooms for Windows: before 5.10.3

---

External links
https://explore.zoom.us/en/trust/security/security-bulletin/#ZSB- 22010

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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