DLL injection in Zoom Opener installer



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-22788
CWE-ID CWE-427
Exploitation vector Network
Public exploit N/A
Vulnerable software
Zoom Workplace Desktop App for Windows
Client/Desktop applications / Office applications

Zoom Rooms Client for Windows
Client/Desktop applications / Office applications

Vendor Zoom Video Communications, Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Insecure DLL loading

EUVDB-ID: #VU64380

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 - Uncontrolled Search Path Element

Exploit availability: No

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 Client for Windows: before 5.10.3 1320

CPE2.3 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.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

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



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