CVE-2024-42460: Elliptic's ECDSA missing check for whether leading bit of r and s is zero

August 2, 2024 (updated August 5, 2024)

In the Elliptic package 6.5.6 for Node.js, ECDSA signature malleability occurs because there is a missing check for whether the leading bit of r and s is zero.

References

github.com/advisories/GHSA-977x-g7h5-7qgw
github.com/indutny/elliptic
github.com/indutny/elliptic/commit/b6ff1758d9a6d1a7aec177ff6df9f586492a6315
github.com/indutny/elliptic/pull/317
nvd.nist.gov/vuln/detail/CVE-2024-42460

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