CVE-2023-24532 Incorrect calculation on P256 curves in crypto/internal/nistec

2023-03-0819:40:45

www.cve.org

7.5 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

39.6%

JSON

The ScalarMult and ScalarBaseMult methods of the P256 Curve may return an incorrect result if called with some specific unreduced scalars (a scalar larger than the order of the curve). This does not impact usages of crypto/ecdsa or crypto/ecdh.

CNA Affected

[
  {
    "vendor": "Go standard library",
    "product": "crypto/internal/nistec",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "crypto/internal/nistec",
    "versions": [
      {
        "version": "0",
        "lessThan": "1.19.7",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "1.20.0-0",
        "lessThan": "1.20.2",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "programRoutines": [
      {
        "name": "P256Point.ScalarBaseMult"
      },
      {
        "name": "P256Point.ScalarMult"
      },
      {
        "name": "P256OrdInverse"
      }
    ],
    "defaultStatus": "unaffected"
  }
]