If the MDM server includes a mobile email management capability, the email client must give the user the option to deny acceptance of a certificate if the mobile email client determines that the certificate is invalid.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-36208	SRG-APP-175-MDM-192-MEM	SV-47612r1_rule		Medium

Description
When the operating system accepts the use of invalid certificates, there is the potential that the system or object presenting the certificate is malicious, and can compromise sensitive information or system integrity. When additional assurance is required, the system must deny acceptance of invalid certificates.

STIG	Date
Mobile Device Manager Security Requirements Guide	2013-01-24

Details

Check Text ( C-44448r1_chk )
Determine if the MDM server includes a mobile email management capability. If no, this requirement is not applicable. If yes, perform the following procedure: Verify the email client gives the user the option to deny acceptance of a certificate if the mobile email client determines that the certificate is invalid. Talk to the site system administrator and have them confirm this capability exists in the MDM server. Also, review the MDM server configuration. If the email client does not give the user the option to deny acceptance of a certificate if the mobile email client determines that the certificate is invalid, this is a finding.

Check Text ( C-44448r1_chk )

Determine if the MDM server includes a mobile email management capability. If no, this requirement is not applicable. If yes, perform the following procedure: Verify the email client gives the user the option to deny acceptance of a certificate if the mobile email client determines that the certificate is invalid. Talk to the site system administrator and have them confirm this capability exists in the MDM server. Also, review the MDM server configuration. If the email client does not give the user the option to deny acceptance of a certificate if the mobile email client determines that the certificate is invalid, this is a finding.

Fix Text (F-40738r1_fix)
Configure the MDM server to give the user the option to deny acceptance of a certificate if the mobile email client determines that the certificate is invalid.