CVE-2023-47640

DataHub (front-end) is affected by CVE-2023-47640 due to insecure use of HMAC-SHA1 for session signing. The Frontend uses Play LegacyCookiesModule with SHA1 signing and a short signing key, enabling brute-force attempts to recover the signing key and escalate privileges via a privileged session c...

CVE-2023-47640: Use of a Broken or Risky Cryptographic Algorithm

DataHub is an open-source metadata platform. The HMAC signature for DataHub Frontend sessions was being signed using a SHA-1 HMAC with the frontend secret key. SHA1 with a 10 byte key can be brute forced using sufficient resources i.e. state level actors with large computational capabilities...