CVEvulnerability
CVE-2020-13822
7.7 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-06-04
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.7 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-190
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.
Affected configurations
• indutny elliptic 6.5.2
Related
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness
References
- https://github.com/indutny/elliptic/issues/226 Exploit, Third Party Advisory
- https://medium.com/%40herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4 medium.com
- https://www.npmjs.com/package/elliptic Third Party Advisory
- https://yondon.blog/2019/01/01/how-not-to-use-ecdsa/ Third Party Advisory
- https://github.com/indutny/elliptic/issues/226 Exploit, Third Party Advisory
- https://medium.com/%40herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4 medium.com
- https://www.npmjs.com/package/elliptic Third Party Advisory
- https://yondon.blog/2019/01/01/how-not-to-use-ecdsa/ Third Party Advisory