SB2022111103 - Information disclosure in Zoom Client



SB2022111103 - Information disclosure in Zoom Client

Published: November 11, 2022

Security Bulletin ID SB2022111103
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Information disclosure (CVE-ID: CVE-2022-28764)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: 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


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.


Remediation

Install update from vendor's website.