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Check: GEN007020

VMware ESX 3 Server: GEN007020 (in version v1 r2)

Title

The Stream Control Transmission Protocol (SCTP) must be disabled unless required. (Cat II impact)

Discussion

The Stream Control Transmission Protocol (SCTP) is an IETF-standardized transport layer protocol. This protocol is not yet widely used. Binding this protocol to the network stack increases the attack surface of the host. Unprivileged local processes may be able to cause the system to dynamically load a protocol handler by opening a socket using the protocol.

Check Content

If there is no SCTP protocol handler for the system, this is not applicable. Determine if the system is configured to prevent the dynamic loading of the SCTP protocol handler. If not, this is a finding.

Fix Text

Configure the system to prevent the dynamic loading of the SCTP protocol handler.

Additional Identifiers

Rule ID: SV-26186r1_rule

Vulnerability ID: V-22511

Group Title: GEN007020

Expert Comments

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CCIs

CCIs tied to check.

Number	Definition
CCI-000382	The organization configures the information system to prohibit or restrict the use of organization-defined functions, ports, protocols, and/or services.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
CM-7	Least Functionality