xmlseclibs: Missing AES-GCM Authentication Tag Validation on Encrypted Nodes Allows for Unauthorized Decryption

Summary XML nodes encrypted with either aes-128-gcm, aes-192-gcm, or aes-256-gcm lack validation of the authentication tag length. An attacker can use this to brute-force an authentication tag, recover the GHASH key, and decrypt the encrypted nodes. It also allows to forge arbitrary ciphertexts...

Node.js: Missing AES-GCM Authentication Tag Validation and Improper Deprecation Handling

Summary: In Node.js' crypto module, the createDecipheriv states that "the authTagLength option defaults to 16 bytes and must be set to a different value if a different length is used." here The authentication tag's length is however not validated against that default value and can be truncated do...