Elliptic's EDDSA missing signature length check

Description

In the Elliptic package 6.5.6 for Node.js, EDDSA signature malleability occurs because there is a missing signature length check, and thus zero-valued bytes can be removed or appended.

Recommendation

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

• Affected version(s): >= 4.0.0, <= 6.5.6
• Patched version(s): 6.5.7

References

• GHSA-f7q4-pwc6-w24p
• CVE-2024-42459
• CWE-347
• CAPEC-310
• OWASP 2021-A2
• OWASP 2021-A6

Related Issues

• Valid ECDSA signatures erroneously rejected in Elliptic - CVE-2024-48948
• Elliptic's private key extraction in ECDSA upon signing a malformed input (e.g. a string) - Vulnerability
• Elliptic's verify function omits uniqueness validation - CVE-2024-48949
• Incorrect default cookie name and recommendation - Vulnerability

Tags:

npm

elliptic