Information disclosure in Zoom VDI Windows Meeting Client

1) Information disclosure

EUVDB-ID: #VU69235

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-28764

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

The vulnerability exists due to the application does not clear data from the local SQL database after a meeting ends and also uses an insufficiently secure per-device key to encrypt meetings data. A local user can obtain meeting information such as in-meeting chat for the previous meeting attended from that local user account.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Virtual Desktop Infrastructure (VDI): 5.0.1 - 5.12.3

CPE2.3

• cpe:2.3:a:zoom_video_communications:vdi:5.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:vdi:5.2.37291.0809:*:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:vdi:5.4.59208.1207:*:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:vdi:5.8.5:*:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:vdi:5.9.6:*:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:vdi:5.10.7.21358:*:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:vdi:5.11.11:*:*:*:*:*:*:*
• cpe:2.3:a:zoom_video_communications:vdi:5.12.3:*:*:*:*:*:*:*

External links

https://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-22025

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.