{
  "id": "CVE-2009-4409",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2009-12-23T21:30:00.313",
  "lastModified": "2010-01-06T05:00:00.000",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The (1) CHAP and (2) MS-CHAP-V2 authentication capabilities in the PPP Access Concentrator (PPPAC) function in Internet Initiative Japan SEIL/B1 firmware 1.00 through 2.52 use the same challenge for each authentication attempt, which allows remote attackers to bypass authentication via a replay attack."
    },
    {
      "lang": "es",
      "value": "La autenticaci\u00f3n (1) CHAP y (2) MS-CHAP-V2 en la funci\u00f3n PPP Access Concentrator (PPPAC) en el firmware Internet Initiative Japan SEIL/B1 v1.00 hasta v2.52 utiliza el mismo desaf\u00edo para cada intento de autenticaci\u00f3n, permitiendo a atacantes remotos saltar la autenticaci\u00f3n mediante un ataque de repetici\u00f3n."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:H/Au:N/C:N/I:P/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "HIGH",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 2.6
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 4.9,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:h:iij:seil\\/b1:1.00:*:*:*:*:*:*:*",
              "matchCriteriaId": "7AB18B1D-6DB6-4096-83EC-9608678218DE"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:h:iij:seil\\/b1:2.01:*:*:*:*:*:*:*",
              "matchCriteriaId": "9F9B7A67-49CD-4D42-B5C5-E45BE775EDB5"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:h:iij:seil\\/b1:2.10:*:*:*:*:*:*:*",
              "matchCriteriaId": "FB22791F-D919-4B32-86E7-83ACBE6D4F03"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:h:iij:seil\\/b1:2.20:*:*:*:*:*:*:*",
              "matchCriteriaId": "3D36BD6C-7802-473A-B8A1-BD4D687F3AEC"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:h:iij:seil\\/b1:2.30:*:*:*:*:*:*:*",
              "matchCriteriaId": "E8617348-4572-4277-AFB4-241F4A38687F"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:h:iij:seil\\/b1:2.40:*:*:*:*:*:*:*",
              "matchCriteriaId": "D73D5590-F721-4A8C-95D8-B396198FB27D"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:h:iij:seil\\/b1:2.41:*:*:*:*:*:*:*",
              "matchCriteriaId": "6382F122-161C-433D-AF82-0E8E4073A392"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:h:iij:seil\\/b1:2.42:*:*:*:*:*:*:*",
              "matchCriteriaId": "C4772B30-D3E3-49AC-86F7-CEAE59CECE02"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:h:iij:seil\\/b1:2.50:*:*:*:*:*:*:*",
              "matchCriteriaId": "477AEE25-5F49-4DCA-95C3-61DF83E4E91D"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:h:iij:seil\\/b1:2.51:*:*:*:*:*:*:*",
              "matchCriteriaId": "558625E8-5613-4993-84DF-C0ECF0C92325"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:h:iij:seil\\/b1:2.52:*:*:*:*:*:*:*",
              "matchCriteriaId": "8D4BB407-DECF-4E84-BF99-9CE2A93A84A7"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://jvn.jp/en/jp/JVN49602378/index.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://jvndb.jvn.jp/ja/contents/2009/JVNDB-2009-000079.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/37628",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.osvdb.org/61118",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/37293",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.seil.jp/seilseries/security/2009/a00697.php",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}