Information disclosure in Zoom client

1) Information disclosure

EUVDB-ID: #VU63592

Risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-22779

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

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 Client for Windows: 5.0.0 23168.0427 - 5.8.7 2058

Zoom Client for macOS: 5.0.0 23186.0427 - 5.8.6 2879

External links

http://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-22001

Q & A

Can this vulnerability be exploited remotely?

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