ECDSA Signature Malleability in Elliptic Package 6.5.2 for Node.js

CVE-2020-13822 · HIGH Severity

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

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.

Learn more about our Web Application Penetration Testing UK.