Description
The Elliptic package 6.5.2 for Node.js allows ECDSA signature malleability via variations in encoding, leading '\0' bytes, or integer overflows. This could conceivably have a security-relevant impact if an application relied on a single canonical signature.
Remediation
References
https://yondon.blog/2019/01/01/how-not-to-use-ecdsa/
https://www.npmjs.com/package/elliptic
https://github.com/indutny/elliptic/issues/226
https://medium.com/%40herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4
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