secp256k1-node vulnerable to private key extraction over ECDH
Résumé
secp256k1-node vulnerable to private key extraction over ECDH
Description d'origine
La description telle que publiée par la source (souvent en anglais).
secp256k1-node is a Node.js binding for an Optimized C library for EC operations on curve secp256k1. In elliptic-based version, loadUncompressedPublicKey has a check that the public key is on the curve. Prior to versions 5.0.1, 4.0.4, and 3.8.1, however, loadCompressedPublicKey is missing that check. That allows the attacker to use public keys on low-cardinality curves to extract enough information to fully restore the private key from as little as 11 ECDH sessions, and very cheaply on compute power. Other operations on public keys are also affected, including e.g. publicKeyVerify() incorrectly returning true on those invalid keys, and e.g. publicKeyTweakMul() also returning predictable outcomes allowing to restore the tweak. Versions 5.0.1, 4.0.4, and 3.8.1 contain a fix for the issue.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
Références
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov
- patch github.com
- patch github.com
- patch github.com
- web github.com
- web github.com