CVE-2020-13822
HIGH 7.7EPSS 2.6%
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.
- CVSS v3.1 NVD
- 7.7 HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L - CVSS v2.0 NVD
- 6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P - EPSS
- 2.63% chance of exploitation in the next 30 days, 85th percentile
- Published
- 2020-06-04
- Updated
- 2024-08-04
Proof-of-concept exploits (1)
- indutny/elliptic/issues/2261769★ · 2024-11-13
Security advisories
- https://www.npmjs.com/package/elliptic
- https://yondon.blog/2019/01/01/how-not-to-use-ecdsa
- advisories/GHSA-vh7m-p724-62c2