CVE-2024-6863 Encryption of Arbitrary Files with Attacker-Controlled Key in h2oai/h2o-3

In h2oai/h2o-3 version 3.46.0, an endpoint exposing a custom EncryptionTool allows an attacker to encrypt any files on the target server with a key of their choosing. The chosen key can also be overwritten, resulting in ransomware-like behavior. This vulnerability makes it possible for an attacke...