CVE-2024-48949
First published: Thu Oct 10 2024(Updated: )
The Elliptic package 6.5.5 for Node.js for EDDSA implementation does not perform the required check if the signature proof(s) is within the bounds of the order n of the base point of the elliptic curve, leading to signature malleability. Namely, the `verify` function in `lib/elliptic/eddsa/index.js` omits `sig.S().gte(sig.eddsa.curve.n) || sig.S().isNeg()` validation. This vulnerability could have a security-relevant impact if an application relies on the uniqueness of a signature.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| npm/elliptic | <6.5.6 | 6.5.6 |
| indutny Elliptic | <6.5.6 |
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Reference Links
- https://github.com/indutny/elliptic/commit/7ac5360118f74eb02da73bdf9f24fd0c72ff5281
- https://github.com/indutny/elliptic/compare/v6.5.5...v6.5.6
- https://nvd.nist.gov/vuln/detail/CVE-2024-48949
- https://github.com/advisories/GHSA-434g-2637-qmqr (Advisory)
- https://access.redhat.com/errata/RHSA-2024:8351
- https://access.redhat.com/errata/RHSA-2024:8507
- https://access.redhat.com/security/cve/CVE-2024-48949
- https://access.redhat.com/errata/RHSA-2024:6738
- https://access.redhat.com/errata/RHSA-2024:6779
- https://access.redhat.com/errata/RHSA-2024:10236
- https://bugzilla.redhat.com/show_bug.cgi?id=2317724
- https://security.netapp.com/advisory/ntap-20241227-0003/
- https://security.netapp.com/advisory/ntap-20241227-0003
Frequently Asked Questions
What is the severity of CVE-2024-48949?
CVE-2024-48949 is a critical vulnerability due to the potential for signature malleability in the Elliptic package.
How do I fix CVE-2024-48949?
To fix CVE-2024-48949, update the Elliptic package to version 6.5.6 or later.
Which versions of the Elliptic package are affected by CVE-2024-48949?
CVE-2024-48949 affects the Elliptic package versions before 6.5.6.
What type of vulnerability is CVE-2024-48949?
CVE-2024-48949 is classified as a signature malleability vulnerability in an EDDSA implementation.
Where does the vulnerability CVE-2024-48949 occur in the code?
CVE-2024-48949 occurs in the `verify` function within `lib/elliptic/eddsa/index.js` of the Elliptic package.
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