The Voice Video Session Manager must protect the confidentiality of transmitted configuration files, signaling, and media streams.

From Voice Video Session Management Security Requirements Guide

Part of SRG-NET-000371

Associated with: CCI-002418

SV-76623r2_rule The Voice Video Session Manager must protect the confidentiality of transmitted configuration files, signaling, and media streams.

Vulnerability discussion

Without protection of the transmitted information, confidentiality and integrity may be compromised as unprotected communications can be intercepted and either read or altered. Communication paths outside the physical protection of a controlled boundary are exposed to the possibility of interception and modification.Voice Video protocol suites include SIP, SCCP, and H.323. Each of these protocol suites uses different methodologies for securing transmitted signaling. The H.323 protocol suite relies on the H.235 series, which describes security within H.323, including security for both signaling and media. For SIP protocol, the DoD has created the AS-SIP protocol, which provides for implementing Transport Layer Security (TLS), Multi-Level Precedence and Preemption (MLPP), reliance on Secure Real-Time Transport Protocol (SRTP) for media streams, and Differentiated Services Code Point (DSCP) for traffic management through priority packet routing. To secure SCCP, TLS must be implemented with the protocol.Note: It is expected that this requirement be used to address each protocol individually. A separate STIG requirement for each protocol used identifying the methods to protect the confidentiality and integrity of transmitted control information (including registration files) and media streams must be produced.

Check content

Verify the Voice Video Session Manager protects the confidentiality of transmitted configuration files, signaling, and media streams. If the Voice Video Session Manager does not protect the confidentiality of transmitted configuration files, signaling, and media streams, this is a finding.

Fix text

Configure the Voice Video Session Manager to protect the confidentiality of transmitted configuration files, signaling, and media streams.

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