data/reports/GO-2021-0319.yaml

modules:
  - module: std
    versions:
      - fixed: 1.16.14
      - introduced: 1.17.0
        fixed: 1.17.7
    vulnerable_at: 1.17.6
    packages:
      - package: crypto/elliptic
        symbols:
          - CurveParams.IsOnCurve
          - p384PointFromAffine
          - p521PointFromAffine
        skip_fix: 'TODO: revisit this reason (fix appears to not work with Go <1.18)'
description: |
    Some big.Int values that are not valid field elements (negative or overflowing)
    might cause Curve.IsOnCurve to incorrectly return true. Operating on those values
    may cause a panic or an invalid curve operation. Note that Unmarshal will never
    return such values.
published: 2022-05-23T22:15:21Z
cves:
  - CVE-2022-23806
credit: Guido Vranken
references:
  - fix: https://go.dev/cl/382455
  - fix: https://go.googlesource.com/go/+/7f9494c277a471f6f47f4af3036285c0b1419816
  - web: https://groups.google.com/g/golang-announce/c/SUsQn0aSgPQ
  - report: https://go.dev/issue/50974