Site BlackBerry devices must be provisioned so users can digitally sign and encrypt e-mail notifications or any other email required by DoD policy. IT Policy rule “S/MIME Allowed Content Ciphers” (S/MIME Application policy group) must be set as required.

From BlackBerry Enterprise Server (version 5.x), Part 3 Security Technical Implementation Guide

Associated with IA controls: ECSC-1

SV-21208r4_rule Site BlackBerry devices must be provisioned so users can digitally sign and encrypt e-mail notifications or any other email required by DoD policy. IT Policy rule “S/MIME Allowed Content Ciphers” (S/MIME Application policy group) must be set as required.

Vulnerability discussion

S/MIME provides the capability for users to send and receive S/MIME email messages from wireless email devices. S/MIME and digital signatures provide assurance the message is authentic and is required by DoD policy.

Check content

Detailed Policy Requirements: ***** For this check, set IT Policy rule "S/MIME Allowed Content Ciphers" (S/MIME Application policy group) to "Check the following: 0 (AES-256 bit) 1 (AES-192 bit) 2 (AES-128 bit) 5 (Triple DES)" Check Procedures: This is a BES IT Policy check. Recommend all checks related to BES IT policies be reviewed using the procedure in Check WIR1400-01 (V0003545). *****Verify IT Policy rule "S/MIME Allowed Content Ciphers" (S/MIME Application policy group) is set as required. If not set as required, this is a finding.

Fix text

Configure the IT Policy rule as specified in the "Checks" block.

Pro Tips

Lavender hyperlinks in small type off to the right (of CSS class id, if you view the page source) point to globally unique URIs for each document and item. Copy the link location and paste anywhere you need to talk unambiguously about these things.

You can obtain data about documents and items in other formats. Simply provide an HTTP header Accept: text/turtle or Accept: application/rdf+xml.