Improper Verification of Cryptographic Signature in aws-encryption-sdk-javascript

This advisory addresses several LOW severity issues with streaming signed messages and restricting processing of certain types of invalid messages. This ESDK supports a streaming mode where callers may stream the plaintext of signed messages before the ECDSA signature is validated...

Improper Verification of Cryptographic Signature in aws-encryption-sdk-java

This advisory addresses several LOW severity issues with streaming signed messages and restricting processing of certain types of invalid messages...

CVE-2020-8897

CVE-2020-8897 : A weak robustness vulnerability affects the AWS Encryption SDKs for Java, Python, C and Javalcript prior to 2.0.0. The non-committing property of AES-GCM (and related AEAD ciphers) can let an attacker craft a unique ciphertext that decrypts to multiple different results, which is ...