R224. Use secure cryptographic mechanisms

Requirement

The system must use the most secure cryptographic mechanism provided by the platform (e.g., java.security.SecureRandom) for random number generation used in critical processes (e.g., ID generation, code mapping, cryptographic keys).

Descriptions

System cryptographic keys are essential for maintaining the confidentiality and integrity of transactions and communications. Some of these keys and other critical elements are generated using random numbers. In these cases, the random numbers themselves must be generated using secure mechanisms, which have often already been implemented by the platform.

References

  1. CAPEC-20: Encryption Brute Forcing. An attacker, armed with the cipher text and the encryption algorithm used, performs an exhaustive (brute force) search on the key space to determine the key that decrypts the cipher text to obtain the plaintext.

  2. CAPEC-94: Man in the Middle Attack. This type of attack targets the communication between two components (typically client and server). The attacker places themself in the communication channel between the two components. Whenever one component attempts to communicate with the other (data flow, authentication challenges, etc.), the data first goes to the attacker, who has the opportunity to observe or alter it, and it is then passed on to the other component as if it was never observed.

  3. CAPEC-117: Interception. An adversary monitors data streams to or from the target for information gathering purposes. This attack may be undertaken to solely gather sensitive information or to support a further attack against the target. This attack pattern can involve sniffing network traffic as well as other types of data streams (e.g. radio).

  4. CAPEC-151: Identity Spoofing. Identity Spoofing refers to the action of assuming (i.e., taking on) the identity of some other entity (human or non-human) and then using that identity to accomplish a goal. An adversary may craft messages that appear to come from a different principle or use stolen / spoofed authentication credentials. Alternatively, an adversary may intercept a message from a legitimate sender and attempt to make it look like the message comes from them without changing its content.

  5. CAPEC-216: Communication Channel Manipulation. An adversary manipulates a setting or parameter on communications channel in order to compromise its security. This can result in information exposure, insertion/removal of information from the communications stream, and/or potentially system compromise.

  6. CAPEC-272: Protocol Manipulation. An adversary subverts a communications protocol to perform an attack. This type of attack targets invalid assumptions that may be inherent in implementers of the protocol, incorrect implementations of the protocol, or vulnerabilities in the protocol itself.

  7. CAPEC-594: Traffic Injection. An adversary injects traffic into the target’s network connection. The adversary is therefore able to degrade or disrupt the connection, and potentially modify the content.

  8. CWE-327: Use of a Broken or Risky Cryptographic Algorithm The use of a broken or risky cryptographic algorithm is an unnecessary risk that may result in the exposure of sensitive information.

  9. CWE-330: Use of Insufficiently Random Values The software uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.

  10. CWE-331: Insufficient Entropy The software uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others.

  11. CWE-332: Insufficient Entropy in PRNG The lack of entropy available for, or used by, a Pseudo-Random Number Generator (PRNG) can be a stability and security threat.

  12. CWE-333: Improper Handling of Insufficient Entropy in TRNG True random number generators (TRNG) generally have a limited source of entropy and therefore can fail or block.

  13. CWE-334: Small Space of Random Values The number of possible random values is smaller than needed by the product, making it more susceptible to brute force attacks.

  14. CWE-335: Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG) The software uses a Pseudo-Random Number Generator (PRNG) that does not correctly manage seeds.

  15. CWE-338: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG’s algorithm is not cryptographically strong.

  16. CWE-340: Generation of Predictable Numbers or Identifiers The product uses a scheme that generates numbers or identifiers that are more predictable than required.

  17. NIST 800-53 IA-7 Cryptographic module authentication: The information system implements mechanisms for authentication to a cryptographic module that meet the requirements of applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance for such authentication.

  18. OWASP-ASVS v4.0.1 Appendix C: Internet of Things Verification Requirements.(C.23) Verify usage of cryptographically secure pseudo-random number generator on embedded device (e.g., using chip-provided random number generators).

  19. OWASP-ASVS v4.0.1 V1.6 Cryptographic Architectural Requirements.(1.6.1) Verify that there is an explicit policy for management of cryptographic keys and that a cryptographic key lifecycle follows a key management standard such as NIST SP 800-57.

  20. OWASP-ASVS v4.0.1 V2.6 Look-up Secret Verifier Requirements.(2.6.2) Verify that lookup secrets have sufficient randomness (112 bits of entropy), or if less than 112 bits of entropy, salted with a unique and random 32-bit salt and hashed with an approved one-way hash.

  21. OWASP-ASVS v4.0.1 V2.6 Look-up Secret Verifier Requirements.(2.6.3) Verify that lookup secrets are resistant to offline attacks, such as predictable values.

  22. OWASP-ASVS v4.0.1 V2.7 Out of Band Verifier Requirements.(2.7.6) Verify that the initial authentication code is generated by a secure random number generator, containing at least 20 bits of entropy (typically a six digital random number is sufficient).

  23. OWASP-ASVS v4.0.1 V2.8 Single or Multi Factor One Time Verifier Requirements.(2.8.3) Verify that approved cryptographic algorithms are used in the generation, seeding, and verification.

  24. OWASP-ASVS v4.0.1 V2.9 Cryptographic Software and Devices Verifier Requirements.(2.9.2) Verify that the challenge nonce is at least 64 bits in length, and statistically unique or unique over the lifetime of the cryptographic device.

  25. OWASP-ASVS v4.0.1 V2.9 Cryptographic Software and Devices Verifier Requirements.(2.9.3) Verify that approved cryptographic algorithms are used in the generation, seeding, and verification.

  26. OWASP-ASVS v4.0.1 V3.2 Session Binding Requirements.(3.2.4) Verify that session token are generated using approved cryptographic algorithms.

  27. OWASP-ASVS v4.0.1 V6.2 Algorithms.(6.2.3) Verify that encryption initialization vector, cipher configuration, and block modes are configured securely using the latest advice.

  28. OWASP-ASVS v4.0.1 V6.2 Algorithms.(6.2.5) Verify that known insecure block modes (i.e. ECB, etc.), padding modes (i.e. PKCS#1 v1.5, etc.), ciphers with small block sizes (i.e. Triple-DES, Blowfish, etc.), and weak hashing algorithms (i.e. MD5, SHA1, etc.) are not used unless required for backwards compatibility.

  29. OWASP-ASVS v4.0.1 V6.3 Random Values.(6.3.1) Verify that all random numbers, random file names, random GUIDs, and random strings are generated using the cryptographic module’s approved cryptographically secure random number generator when these random values are intended to be not guessable by an attacker.

  30. OWASP-ASVS v4.0.1 V8.3 Sensitive Private Data.(8.3.7) Verify that sensitive or private information that is required to be encrypted, is encrypted using approved algorithms that provide both confidentiality and integrity.

  31. OWASP-ASVS v4.0.1 V9.1 Communications Security Requirements.(9.1.2) Verify using online or up to date TLS testing tools that only strong algorithms, ciphers, and protocols are enabled, with the strongest algorithms and ciphers set as preferred.

  32. PCI DSS v3.2.1 - Requirement 2.3 Encrypt all non-console administrative access using strong cryptography.

  33. PCI DSS v3.2.1 - Requirement 3.6.1 Fully document and implement all key-management processes and procedures for cryptographic keys including generation of strong cryptographic keys.

  34. PCI DSS v3.2.1 - Requirement 4.1 Use strong cryptography and security protocols to safeguard sensitive cardholder data during transmission over open, public networks. The encryption strength is appropriate for the encryption methodology in use.

  35. PCI DSS v3.2.1 - Requirement 6.5.3 Address common coding vulnerabilities in software-development processes such as insecure cryptographic storage.

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