http4k 4.9.10.0 before 6.60.0.0 Digest auth-int Missing Body Integrity

Summary

http4k from 4.9.10.0 before 6.60.0.0 contains a missing integrity check vulnerability because DigestEncoder computes the auth-int digest without hashing the request entity body. On-path attackers on non-TLS channels can rewrite the body of authenticated requests while keeping the Authorization header valid, executing state-changing actions as the victim.

Remediation

1. Inventory every http4k http4k deployment, including staging.
2. Upgrade http4k http4k to 6.60.0.0.
3. Confirm the running version after the upgrade.

References

• Advisoryhttps://github.com/http4k/http4k/security/advisories/GHSA-9xx4-xjpj-xqcf
• Advisoryhttps://www.vulncheck.com/advisories/http4k-4.9.10.0-before-6.60.0.0-digest-auth-int-missing-body-integrity