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.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 7.7 | HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L | 2.2 | 5.5 |
CVSS 2.0
Severity: MEDIUM
Problem Type: CWE-190,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| elliptic_project | elliptic | 6.5.2 |
In the Elliptic package 6.5.6 for Node.js, ECDSA signature malleability occurs because BER-encoded signatures are allowed.
Products Affected
| Vendor | Product | Version |
|---|---|---|
| elliptic_project | elliptic | 6.5.6 |