If TLS optimization is used, the Riverbed Optimization System (RiOS) that stores secret or private keys must use FIPS-approved key management technology and processes in the production and control of private/secret cryptographic keys.

From Riverbed SteelHead CX v8 ALG Security Technical Implementation Guide

Part of SRG-NET-000062-ALG-000092

Associated with: CCI-000068

SV-77309r1_rule If TLS optimization is used, the Riverbed Optimization System (RiOS) that stores secret or private keys must use FIPS-approved key management technology and processes in the production and control of private/secret cryptographic keys.

Vulnerability discussion

Private key data is used to prove that the entity presenting a public key certificate is the certificate's rightful owner. Compromise of private key data allows an adversary to impersonate the key holder.Private key data associated with software certificates, including those issued to an ALG, is required to be generated and protected in at least a FIPS 140-2 Level 1 validated cryptographic module.The Riverbed RiOS secure vault contains sensitive information from your SteelHead appliance configuration, including SSL private keys and the data store encryption key. These configuration settings are encrypted on the disk using AES 256-bit encryption.The secure vault always runs in FIPS mode.

Check content

Verify the Riverbed Optimization System (RiOS) is configured to support FIPS-approved key management technology and processes in the production and control of private/secret cryptographic keys. Navigate to the device Management Console. Navigate to Configure >> Optimization >> Advanced. Verify that "Peer Ciphers:" "Rank 1" contains the following string: "TLSv1.2+FIPS:kRSA+FIPS:!eNULL:!aNULL" Verify that "Client Ciphers:" "Rank 1" contains the following string: "TLSv1.2+FIPS:kRSA+FIPS:!eNULL:!aNULL" Verify that "Server Ciphers:" "Rank 1" contains the following string: "TLSv1.2+FIPS:kRSA+FIPS:!eNULL:!aNULL" If any of the above Ciphers contains strings or groups other than what is listed, this is a finding.

Fix text

Configure the Riverbed Optimization System (RiOS) to support FIPS-approved key management technology and processes in the production and control of private/secret cryptographic keys. Navigate to the device Management Console. Navigate to Configure >> Optimization >> Advanced Settings Select "Add a New Peer Cipher". Scroll down options list until the following is reached: "TLSv1.2+FIPS:kRSA+FIPS:!eNULL:!aNULL" Select that string and a "Rank" of "2". Click "Add". Select "Rank 1" "Default" Cipher String. Click "Remove Selected". Select "Add a New Client Cipher". Scroll down options list until the following is reached: "TLSv1.2+FIPS:kRSA+FIPS:!eNULL:!aNULL" Select that string and a "Rank" of "2". Click "Add". Select "Rank 1" "Default" Cipher String. Click "Remove Selected". Select "Add a New Server Cipher". Scroll down options list until the following is reached: "TLSv1.2+FIPS:kRSA+FIPS:!eNULL:!aNULL" Select that string and a "Rank" of "2". Click "Add". Select "Rank 1" "Default" Cipher String. Click "Remove Selected". Navigate to the top of the web page and click "Save" to save these settings permanently.

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