#VU63592 Information disclosure in Zoom Workplace Desktop App for Windows and Zoom Workplace Desktop App for macOS - CVE-2022-22779

Vulnerability identifier: #VU63592

Vulnerability risk: Low

CVSSv4.0: 0.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-22779

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

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

Vendor: Zoom Video Communications, Inc.

Description

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to the Keybase clients for macOS and Windows does not properly remove exploded messages initiated by a user. This can occur if the receiving user switches to a non-chat feature and places the host in a sleep state before the sending user explodes the messages. This could lead to disclosure of sensitive information which was meant to be deleted from a user’s filesystem.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Zoom Workplace Desktop App for Windows: 5.0.0 23168.0427 - 5.8.7 2058

Zoom Workplace Desktop App for macOS: 5.0.0 23186.0427 - 5.8.6 2879

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External links
https://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-22001

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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