{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.0",
  "cveMetadata": {
    "cveId": "CVE-2022-32148"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc"
      },
      "descriptions": [
        {
          "lang": "en",
          "value": "Improper exposure of client IP addresses in net/http before Go 1.17.12 and Go 1.18.4 can be triggered by calling httputil.ReverseProxy.ServeHTTP with a Request.Header map containing a nil value for the X-Forwarded-For header, which causes ReverseProxy to set the client IP as the value of the X-Forwarded-For header."
        }
      ],
      "affected": [
        {
          "vendor": "Go standard library",
          "product": "net/http",
          "collectionURL": "https://pkg.go.dev",
          "packageName": "net/http",
          "versions": [
            {
              "version": "0",
              "lessThan": "1.17.12",
              "status": "affected",
              "versionType": "semver"
            },
            {
              "version": "1.18.0",
              "lessThan": "1.18.4",
              "status": "affected",
              "versionType": "semver"
            }
          ],
          "programRoutines": [
            {
              "name": "Header.Clone"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-200: Information Exposure"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://go.dev/cl/412857"
        },
        {
          "url": "https://go.googlesource.com/go/+/b2cc0fecc2ccd80e6d5d16542cc684f97b3a9c8a"
        },
        {
          "url": "https://go.dev/issue/53423"
        },
        {
          "url": "https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2022-0520"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Christian Mehlmauer"
        }
      ]
    }
  }
}