GMS-2021-19: Improper Verification of Cryptographic Signature in aws-encryption-sdk-javascript

June 1, 2021

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.

References

github.com/advisories/GHSA-h45p-w933-jxh3
github.com/aws/aws-encryption-sdk-javascript/security/advisories/GHSA-h45p-w933-jxh3

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