{
  "id": "CVE-2008-1891",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2008-04-18T22:05:00.000",
  "lastModified": "2017-08-08T01:30:33.697",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "Directory traversal vulnerability in WEBrick in Ruby 1.8.4 and earlier, 1.8.5 before 1.8.5-p231, 1.8.6 before 1.8.6-p230, 1.8.7 before 1.8.7-p22, and 1.9.0 before 1.9.0-2, when using NTFS or FAT filesystems, allows remote attackers to read arbitrary CGI files via a trailing (1) + (plus), (2) %2b (encoded plus), (3) . (dot), (4) %2e (encoded dot), or (5) %20 (encoded space) character in the URI, possibly related to the WEBrick::HTTPServlet::FileHandler and WEBrick::HTTPServer.new functionality and the :DocumentRoot option."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de salto de directorio en WEBrick en Ruby versi\u00f3n 1.8.4 y anteriores, versi\u00f3n 1.8.5 anterior a 1.8.5-p231, versi\u00f3n 1.8.6 anterior a 1.8.6-p230, versi\u00f3n 1.8.7 anterior a 1.8.7-p22, y versi\u00f3n 1.9.0 anterior a 1.9.0-2, cuando se utilizan sistemas de archivos NTFS o FAT, permite a los atacantes remotos leer archivos CGI arbitrarios por medio de un trailing (1) + (m\u00e1s), (2) %2b (m\u00e1s codificado), (3) . (punto), (4) %2e (punto codificado) o (5) %20 (espacio codificado) en el URI, posiblemente relacionado con la funci\u00f3n WEBrick::HTTPServlet::FileHandler y WEBrick::HTTPServer.new y la opci\u00f3n :DocumentRoot."
    }
  ],
  "vendorComments": [
    {
      "organization": "Red Hat",
      "comment": "Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2008-1891\n\nThe risks associated with fixing this flaw outweigh the benefits of the fix. Red Hat does not plan to fix this flaw in Red Hat Enterprise Linux.",
      "lastModified": "2009-06-10T00:00:00"
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "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-22"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
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              "matchCriteriaId": "A27D6CAC-0E72-4C5A-9712-0DDD726EB3F0"
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  "references": [
    {
      "url": "http://aluigi.altervista.org/adv/webrickcgi-adv.txt",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00006.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2008:140",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2008:141",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ruby-lang.org/en/news/2008/06/20/arbitrary-code-execution-vulnerabilities/",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2008/1245/references",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/41824",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00937.html",
      "source": "cve@mitre.org"
    }
  ]
}