SB2022111602 - DLL injection in Zoom clients for Windows
Published: November 16, 2022
Security Bulletin ID
SB2022111602
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Insecure DLL loading (CVE-ID: CVE-2022-28766)
CWE-ID: CWE-427 - Uncontrolled Search Path Element
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the application loads DLL libraries in an insecure manner. A local user can force the application to load a malicious .dll file and execute arbitrary code on the system in the context of the Zoom client.
Note, the vulnerability affects only Windows 32-bit clients.
Remediation
Install update from vendor's website.