fkie_cve-2008-1891
Vulnerability from fkie_nvd
Published
2008-04-18 22:05
Modified
2025-04-09 00:30
Severity ?
Summary
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.
References
cve@mitre.orghttp://aluigi.altervista.org/adv/webrickcgi-adv.txt
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2008-08/msg00006.html
cve@mitre.orghttp://secunia.com/advisories/29794Vendor Advisory
cve@mitre.orghttp://secunia.com/advisories/30831
cve@mitre.orghttp://secunia.com/advisories/31687
cve@mitre.orghttp://www.mandriva.com/security/advisories?name=MDVSA-2008:140
cve@mitre.orghttp://www.mandriva.com/security/advisories?name=MDVSA-2008:141
cve@mitre.orghttp://www.ruby-lang.org/en/news/2008/06/20/arbitrary-code-execution-vulnerabilities/
cve@mitre.orghttp://www.vupen.com/english/advisories/2008/1245/references
cve@mitre.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/41824
cve@mitre.orghttps://www.redhat.com/archives/fedora-package-announce/2008-June/msg00937.html
af854a3a-2127-422b-91ae-364da2661108http://aluigi.altervista.org/adv/webrickcgi-adv.txt
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00006.html
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/29794Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/30831
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/31687
af854a3a-2127-422b-91ae-364da2661108http://www.mandriva.com/security/advisories?name=MDVSA-2008:140
af854a3a-2127-422b-91ae-364da2661108http://www.mandriva.com/security/advisories?name=MDVSA-2008:141
af854a3a-2127-422b-91ae-364da2661108http://www.ruby-lang.org/en/news/2008/06/20/arbitrary-code-execution-vulnerabilities/
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2008/1245/references
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/41824
af854a3a-2127-422b-91ae-364da2661108https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00937.html
Impacted products
Vendor Product Version
ruby-lang ruby *
ruby-lang ruby 1.8.5
ruby-lang ruby 1.8.6


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A27D6CAC-0E72-4C5A-9712-0DDD726EB3F0",
              "versionEndIncluding": "1.9.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "C80BDE13-9CBB-4A5F-9BF4-BEB907CED271",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.6:*:*:*:*:*:*:*",
              "matchCriteriaId": "876B2575-4F81-4A70-9A88-9BEE44649626",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "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."
    }
  ],
  "id": "CVE-2008-1891",
  "lastModified": "2025-04-09T00:30:58.490",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2008-04-18T22:05:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "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",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/29794"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/30831"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/31687"
    },
    {
      "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": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://aluigi.altervista.org/adv/webrickcgi-adv.txt"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00006.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/29794"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/30831"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/31687"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2008:140"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2008:141"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.ruby-lang.org/en/news/2008/06/20/arbitrary-code-execution-vulnerabilities/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.vupen.com/english/advisories/2008/1245/references"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/41824"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00937.html"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vendorComments": [
    {
      "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",
      "organization": "Red Hat"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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