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
• security.netapp.com
• CVE-2024-42460
• CWE-130
• CAPEC-310
• OWASP 2021-A6

Related Issues

• Valid ECDSA signatures erroneously rejected in Elliptic - CVE-2024-48948
• Volto affected by possible DoS by invoking specific URL by anonymous user - CVE-2025-58047
• Elliptic allows BER-encoded signatures - CVE-2024-42461
• Elliptic's EDDSA missing signature length check - CVE-2024-42459

Tags:

npm

elliptic