CCE-99858-3Platform: cpe:/o:microsoft:windows_server_2019 | Date: (C)2023-07-04 (M)2023-07-04 |
This policy setting controls whether users can install packages from a website that is using the ms-appinstaller protocol. The ms-appinstaller protocol allows users to install an application by clicking a link on a website.
The recommended state for this setting is: Disabled .
Fix:
(1) GPO: Computer ConfigurationPoliciesAdministrative TemplatesWindows ComponentsDesktop App InstallerEnable App Installer ms-appinstaller protocol
(2) REG: HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindowsAppInstaller:EnableMSAppInstallerProtocol
Parameter:
[enable/disable]
Technical Mechanism:
(1) GPO: Computer Configuration\Policies\Administrative Templates\Windows Components\Desktop App Installer\Enable App Installer ms-appinstaller protocol
(2) REG: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\AppInstaller:EnableMSAppInstallerProtocol
CCSS Severity: | CCSS Metrics: |
CCSS Score : 8.8 | Attack Vector: LOCAL |
Exploit Score: 2.0 | Attack Complexity: LOW |
Impact Score: 6.0 | Privileges Required: LOW |
Severity: HIGH | User Interaction: NONE |
Vector: AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H | Scope: CHANGED |
| Confidentiality: HIGH |
| Integrity: HIGH |
| Availability: HIGH |
| |
References: Resource Id | Reference |
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SCAP Repo OVAL Definition | oval:org.secpod.oval:def:90038 |