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Test ID:1.3.6.1.4.1.25623.1.0.117713
Category:General
Title:Zoom Client < 4.6.10 Windows Installer Vulnerability (ZSB-20001) - Windows
Summary:Zoom Client is prone to a vulnerability in the Windows; installer.
Description:Summary:
Zoom Client is prone to a vulnerability in the Windows
installer.

Vulnerability Insight:
A vulnerability in how the Zoom Windows installer handles
junctions when deleting files could allow a local Windows user to delete files otherwise not
deletable by the user.

The vulnerability is due to insufficient checking for junctions in the directory from which the
installer deletes files, which is writable by standard users. A malicious local user could exploit
this vulnerability by creating a junction in the affected directory that points to protected
system files or other files to which the user does not have permissions. Upon running the Zoom
Windows installer with elevated permissions, as is the case when it is run through managed
deployment software, those files would get deleted from the system.

Affected Software/OS:
Zoom Client versions prior to 4.6.10 on Windows.

Solution:
Update to version 4.6.10 or later.

CVSS Score:
8.5

CVSS Vector:
AV:N/AC:L/Au:S/C:N/I:C/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-11443
CopyrightCopyright (C) 2021 Greenbone Networks GmbH

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