Avoid The Randomness From The Sky

This is a plea for cryptography specification authors. If your protocol uses randomness, please make it a deterministic function that takes a fixed-size string of random bytes , and publish known-answer tests for it. This whole issue could really be just the paragraph above, but I feel like I nee...

CVE-2020-8434

Jenzabar JICS aka Internet Campus Solution before 9.0.1 Patch 3, 9.1 before 9.1.2 Patch 2, and 9.2 before 9.2.2 Patch 8 has session cookies that are a deterministic function of the username. There is a hard-coded password to supply a PBKDF feeding into AES to encrypt a username and base64 encode ...

Hardcoded credentials

Jenzabar JICS aka Internet Campus Solution before 9.0.1 Patch 3, 9.1 before 9.1.2 Patch 2, and 9.2 before 9.2.2 Patch 8 has session cookies that are a deterministic function of the username. There is a hard-coded password to supply a PBKDF feeding into AES to encrypt a username and base64 encode ...