{
  "id": "CVE-2017-17520",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2017-12-14T16:29:00.620",
  "lastModified": "2017-12-28T19:12:34.690",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "** DISPUTED ** tools/url_handler.pl in TIN 2.4.1 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection attacks via a crafted URL. NOTE: a third party has reported that this is intentional behavior, because the documentation states \"url_handler.pl was designed to work together with tin which only issues shell escaped absolute URLs.\""
    },
    {
      "lang": "es",
      "value": "** EN DISPUTA ** tools/url_handler.pl en TIN 2.4.1 no valida cadenas antes de iniciar el programa especificado por la variable de entorno BROWSER. Esto podr\u00eda permitir que atacantes remotos lleven a cabo ataques de inyecci\u00f3n de argumentos mediante una URL manipulada. NOTA: un tercero ha reportado que este comportamiento es intencionado, ya que la documentaci\u00f3n especifica que \"url_handler.pl ha sido dise\u00f1ado para trabajar junto con tin, que solo emite URL absolutas escapadas en shell\"."
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-74"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:debian:tin:2.4.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "038292B2-50D8-4E07-9316-AFA52D3EE8E2"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://security-tracker.debian.org/tracker/CVE-2017-17520",
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ]
    }
  ]
}