AAA Services must be configured to use protocols that encrypt credentials when authenticating clients, as defined in the PPSM CAL and vulnerability assessments.

Description

<VulnDiscussion>Authentication protection of the client credentials (specifically the password or shared secret) prevents unauthorized access to resources. The RADIUS protocol encrypts the password field in the access-request packet, from the client to the AAA server. The remainder of the packet is unencrypted. Other information, such as username, authorized services, and accounting, can be captured by a third-party. TACACS+ encrypts the entire body of the packet but leaves a standard TACACS+ header. Within the header is a field that indicates whether the body is encrypted or not. Other protocols have similar protections. When unencrypted credentials are passed, adversaries can gain access to resources.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>