{
  "id": "CVE-2011-4815",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2011-12-30T01:55:01.437",
  "lastModified": "2017-08-29T01:30:35.443",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "Ruby (aka CRuby) before 1.8.7-p357 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table."
    },
    {
      "lang": "es",
      "value": "Ruby (tambi\u00e9n conocido como CRuby) anterior a v1.8.7-P357 calcula los valores de hash sin restringir la capacidad de desencadenar colisiones hash predecible, que permite a atacantes dependientes de contexto para causar una denegaci\u00f3n de servicio (consumo de CPU) a trav\u00e9s de entrada dise\u00f1ado para una aplicaci\u00f3n que mantiene un hash mesa."
    }
  ],
  "metrics": {
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        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
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    {
      "url": "http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/391606",
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    {
      "url": "http://jvn.jp/en/jp/JVN90615481/index.html",
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      "url": "http://jvndb.jvn.jp/ja/contents/2012/JVNDB-2012-000066.html",
      "source": "cve@mitre.org"
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    {
      "url": "http://lists.apple.com/archives/security-announce/2012/May/msg00001.html",
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    {
      "url": "http://rhn.redhat.com/errata/RHSA-2012-0069.html",
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      "url": "http://rhn.redhat.com/errata/RHSA-2012-0070.html",
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      "url": "http://www.kb.cert.org/vuls/id/903934",
      "source": "cve@mitre.org",
      "tags": [
        "US Government Resource"
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    {
      "url": "http://www.nruns.com/_downloads/advisory28122011.pdf",
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      "url": "http://www.ocert.org/advisories/ocert-2011-003.html",
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      "url": "http://www.ruby-lang.org/en/news/2011/12/28/denial-of-service-attack-was-found-for-rubys-hash-algorithm/",
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    },
    {
      "url": "http://www.securitytracker.com/id?1026474",
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    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/72020",
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}