{
  "id": "CVE-2003-1230",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2003-12-31T05:00:00.000",
  "lastModified": "2017-07-11T01:29:50.807",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "The implementation of SYN cookies (syncookies) in FreeBSD 4.5 through 5.0-RELEASE-p3 uses only 32-bit internal keys when generating syncookies, which makes it easier for remote attackers to conduct brute force ISN guessing attacks and spoof legitimate traffic."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 6.4
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 4.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:o:freebsd:freebsd:4.5:release:*:*:*:*:*:*",
              "matchCriteriaId": "3D41CB12-7894-4D25-80EC-23C56171D973"
            },
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              "vulnerable": false,
              "criteria": "cpe:2.3:o:freebsd:freebsd:4.6:release:*:*:*:*:*:*",
              "matchCriteriaId": "118211EF-CED7-4EB5-9669-F54C8169D4AE"
            },
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              "vulnerable": false,
              "criteria": "cpe:2.3:o:freebsd:freebsd:4.7:release:*:*:*:*:*:*",
              "matchCriteriaId": "E5612FB0-8403-4A7E-B89A-D7BDFAC00078"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:o:freebsd:freebsd:4.7:stable:*:*:*:*:*:*",
              "matchCriteriaId": "A7818E11-1BEB-4DAA-BA7A-A278454BA4B3"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:o:freebsd:freebsd:5.0:release:*:*:*:*:*:*",
              "matchCriteriaId": "67126F28-EB7D-4941-B37C-5D924F47A073"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://secunia.com/advisories/8142/",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.osvdb.org/19785",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/advisories/5013",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/6920",
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/11397",
      "source": "cve@mitre.org"
    }
  ]
}