Vulnerability · Published Jun 4, 2020 · Assigned by mitre
CVE-2020-13822
High 7.7
In plain English
A high-severity security flaw in the node-elliptic package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.7% (higher than 86% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.7High
Exploit odds (30 days)2.7%top 14.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | node-elliptic | 6.5.3~dfsg-1 | DEBIAN-CVE-2020-13822 |
| Debian:13 | node-elliptic | 6.5.3~dfsg-1 | DEBIAN-CVE-2020-13822 |
| Debian:14 | node-elliptic | 6.5.3~dfsg-1 | DEBIAN-CVE-2020-13822 |
| npm | elliptic | 6.5.3 | GHSA-vh7m-p724-62c2 |
Affected products (as reported)
References
- https://www.npmjs.com/package/elliptic x_refsource_MISC
- https://github.com/indutny/elliptic/issues/226 x_refsource_MISC
- https://yondon.blog/2019/01/01/how-not-to-use-ecdsa/ x_refsource_MISC
- https://medium.com/%40herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4 x_refsource_MISC