Link following in Zoom Workplace Desktop App for Windows - CVE-2020-11443

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Main Vulnerability Database Vulnerabilities #VU27546

Link following in Zoom Workplace Desktop App for Windows - CVE-2020-11443

Published: May 5, 2020


Vulnerability identifier: #VU27546
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-11443
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Zoom Video Communications, Inc.
Affected software:
Zoom Workplace Desktop App for Windows

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to MSI installer in Zoom follows symbolic links. A local user can place a specially crafted file into a writable location, trick the victim into installing Zoom client into that location and execute arbitrary code on the system with elevated privileges.


How to mitigate CVE-2020-11443

Install updates from vendor's website.

Sources