Elliptic's ECDSA missing check for whether leading bit of r and s is zero

Description

In the Elliptic package 6.5.6 for Node.js, ECDSA signature malleability occurs because there is a missing check for whether the leading bit of r and s is zero.

Recommendation

Update the elliptic package to the latest compatible version. Followings are version details:

• Affected version(s): >= 2.0.0, <= 6.5.6
• Patched version(s): 6.5.7

References

• GHSA-977x-g7h5-7qgw
• CVE-2024-42460
• CWE-130
• CAPEC-310
• OWASP 2021-A6

Related Issues

• Volto affected by possible DoS by invoking specific URL by anonymous user - CVE-2025-58047
• Elliptic's private key extraction in ECDSA upon signing a malformed input (e.g. a string) - Vulnerability
• Potential DoS when using ContextLines integration (GHSA-r5w7-f542-q2j4) 10 - Vulnerability
• Elliptic's verify function omits uniqueness validation - CVE-2024-48949

Tags:

npm

elliptic