Reliance on Untrusted Inputs in a Security Decision in Zoom Workplace Desktop App for Windows - #VU26523

 

Reliance on Untrusted Inputs in a Security Decision in Zoom Workplace Desktop App for Windows - #VU26523

Published: April 1, 2020 / Updated: April 21, 2020


Vulnerability identifier: #VU26523
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-807
Exploitation vector: Remote 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 remote attacker to gain access to sensitive information.

The vulnerability exists due to Zoom client for Windows automatically processes comments in chat and converts URLs with UNC path into links. A remote attacker can trick the victim into following this link and gain access to NTLM credentials, sent by the victim's system.


Remediation

Install update from vendor's website.

Sources