CVE-2020-13822
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
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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.
Predictions
Exploit likelihood
30%
Patch ETA
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Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 6.5.3~dfsg-1 |
| sid | Fixed | 6.5.3~dfsg-1 |
| forky | Fixed | 6.5.3~dfsg-1 |
| bullseye | Fixed | 6.5.3~dfsg-1 |
| bookworm | Fixed | 6.5.3~dfsg-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | elliptic | <6.5.3 | 6.5.3 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-13822
- https://github.com/indutny/elliptic/issues/226
- https://github.com/indutny/elliptic/commit/856fe4d99fe7b6200556e6400b3bf585b1721bec
- https://github.com/indutny/elliptic
- https://medium.com/%40herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4
- https://medium.com/@herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4
- https://www.npmjs.com/package/elliptic
- https://yondon.blog/2019/01/01/how-not-to-use-ecdsa
- https://security-tracker.debian.org/tracker/CVE-2020-13822
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.