{
  "id": "CVE-2001-1056",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2001-07-30T04:00:00.000",
  "lastModified": "2018-09-20T18:45:46.970",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "IRC DCC helper in the ip_masq_irc IP masquerading module 2.2 allows remote attackers to bypass intended firewall restrictions by causing the target system to send a \"DCC SEND\" request to a malicious server which listens on port 6667, which may cause the module to believe that the traffic is a valid request and allow the connection to the port specified in the DCC SEND request."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": true,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartExcluding": "2.0.1",
              "versionEndIncluding": "2.0.18",
              "matchCriteriaId": "1C4B89DB-8BFA-446D-A00F-FB6DFE067BBF"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "2.2.0",
              "versionEndIncluding": "2.2.18",
              "matchCriteriaId": "21794CDE-ADB5-45ED-B995-456A2C439438"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://archives.neohapsis.com/archives/bugtraq/2001-07/0733.html",
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "http://archives.neohapsis.com/archives/bugtraq/2001-07/0750.html",
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "http://www.iss.net/security_center/static/6923.php",
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/3117",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "Vendor Advisory"
      ]
    }
  ]
}