The Elliptic package 6.5.2 for Node.js allows ECDSA signature malleability via variations…
Priority LOW 39CWE-190Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · Low
- Fix status
- Partial Red Hat: 2 fixed, 3 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-190 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.02705 86th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial elliptic (npm): 6.5.3Red Hat: 2 advisoriesRed Hat: 2 fixed, 3 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | elliptic (npm) | before 6.5.3 | 6.5.3 | Patch available | GHSA-vh7m-p724-62c2 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- elliptic (npm) Vendor— Affected before 6.5.3 Fixed in 6.5.3 Patch available GHSA-vh7m-p724-62c2
Remediation
- Fix · GHSA-vh7m-p724-62c2 elliptic (npm) Fixed in 6.5.3 Advisory →
Red Hat 2 advisories
- RHSA-2020:5533 Released 2020-12-15 · Red Hat rating ImportantRed Hat Single Sign-On 7.4.4 security update
- Red Hat Single Sign-On 7
- RHSA-2020:4298 Released 2020-10-27 · Red Hat rating ModerateOpenShift Container Platform 4.6.1 image security update
- Red Hat OpenShift Container Platform 4.6 openshift4/ose-ansible-operator, openshift4/ose-aws-machine-controllers, openshift4/ose-azure-machine-controllers +47
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| OpenShift Service Mesh 1 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet |
| Red Hat Quay 3 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4.6 | Fixed | RHSA-2020:4298 |
| Red Hat Single Sign-On 7 | Fixed | RHSA-2020:5533 |
Not affected: 1 product
- Red Hat OpenShift Container Platform 4.6
Timeline
- 2026-10-02 Threatist record created from CVE-2020-13822
- 2026-10-03 Alias added: GHSA-vh7m-p724-62c2
- 2026-11-04 Fix available: Red Hat Single Sign-On 7 · Red Hat
References
Advisory 3
Other 5
- https://medium.com/%40herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4
- https://github.com/indutny/elliptic/commit/856fe4d99fe7b6200556e6400b3bf585b1721bec
- https://github.com/indutny/elliptic
- https://medium.com/@herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4
- https://yondon.blog/2019/01/01/how-not-to-use-ecdsa
More Indutny Elliptic vulnerabilities
- TI-2024-28428 In the Elliptic package 6.5.6 for Node.js, ECDSA signature malleability occurs because… CVSS 3.1MEDIUM 5.3
- TI-2024-28427 In the Elliptic package 6.5.6 for Node.js, EDDSA signature malleability occurs because… CVSS 3.1MEDIUM 5.3
- TI-2024-32636 The Elliptic package 6.5.7 for Node.js, in its for ECDSA implementation, does not… CVSS 3.1MEDIUM 4.8
- TI-2024-32637 The verify function in lib/elliptic/eddsa/index.js in the Elliptic package before 6.5.6… CVSS 3.1CRITICAL 9.1
- TI-2020-17301 Cryptographic Issues CVSS 3.1MEDIUM 6.8
Sources
- CVE-2020-13822 · CVE Program
- CVE-2020-13822 · NVD
- FIRST EPSS
- GHSA-vh7m-p724-62c2 · GitHub Advisory Database · CC BY 4.0
- CVE-2020-13822 · Red Hat security data · CC BY 4.0
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