The BIG-IP Core implementation must be configured to implement NIST FIPS-validated cryptography to generate cryptographic hashes when providing encryption traffic to virtual servers.

From F5 BIG-IP Local Traffic Manager 11.x Security Technical Implementation Guide

Part of SRG-NET-000510-ALG-000025

Associated with: CCI-002450

SV-74807r1_rule The BIG-IP Core implementation must be configured to implement NIST FIPS-validated cryptography to generate cryptographic hashes when providing encryption traffic to virtual servers.

Vulnerability discussion

Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The network element must implement cryptographic modules adhering to the higher standards approved by the federal government since this provides assurance they have been tested and validated.This requirement applies only to ALGs that provide encryption intermediary services (e.g., HTTPS, TLS, or DNSSEC).

Check content

If the BIG-IP Core does not provide encryption intermediary services (e.g., HTTPS, TLS, or DNSSEC) for virtual servers, this is not applicable. When encryption intermediary services are provided, verify the BIG-IP Core is configured to implement NIST FIPS-validated cryptography to generate cryptographic hashes. Navigate to the BIG-IP System manager >> Local traffic >> Profiles >> SSL >> Client. Verify a profile exists that is FIPS Compliant. Select a FIPS-compliant profile. Select "Advanced" next to "Configuration". Verify "Ciphers" under "Configuration" section is configured to use FIPS-compliant ciphers. Verify applicable virtual servers are configured in the BIG-IP LTM to use a FIPS-compliant client profile: Navigate to the BIG-IP System manager >> Local Traffic >> Virtual Servers >> Virtual Servers List tab. Select Virtual Servers(s) from the list to verify. Verify under "Configuration" section, that a FIPS-compliant profile is in the "Selected" area of "SSL Profile (Client)". If the BIG-IP Core is not configured to implement NIST FIPS-validated cryptography to generate cryptographic hashes, this is a finding.

Fix text

If encryption intermediary services are provided, configure the BIG-IP Core to implement NIST FIPS-validated cryptography to generate cryptographic hashes.

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