{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2011-4815",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "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."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "47405",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/47405"
            },
            {
                "name": "1026474",
                "refsource": "SECTRACK",
                "url": "http://www.securitytracker.com/id?1026474"
            },
            {
                "name": "http://www.nruns.com/_downloads/advisory28122011.pdf",
                "refsource": "MISC",
                "url": "http://www.nruns.com/_downloads/advisory28122011.pdf"
            },
            {
                "name": "47822",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/47822"
            },
            {
                "name": "RHSA-2012:0070",
                "refsource": "REDHAT",
                "url": "http://rhn.redhat.com/errata/RHSA-2012-0070.html"
            },
            {
                "name": "JVN#90615481",
                "refsource": "JVN",
                "url": "http://jvn.jp/en/jp/JVN90615481/index.html"
            },
            {
                "name": "ruby-hash-dos(72020)",
                "refsource": "XF",
                "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/72020"
            },
            {
                "name": "VU#903934",
                "refsource": "CERT-VN",
                "url": "http://www.kb.cert.org/vuls/id/903934"
            },
            {
                "name": "[ruby-talk] 20111228 [ANN] ruby 1.8.7 patchlevel 357 released",
                "refsource": "MLIST",
                "url": "http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/391606"
            },
            {
                "name": "http://www.ruby-lang.org/en/news/2011/12/28/denial-of-service-attack-was-found-for-rubys-hash-algorithm/",
                "refsource": "CONFIRM",
                "url": "http://www.ruby-lang.org/en/news/2011/12/28/denial-of-service-attack-was-found-for-rubys-hash-algorithm/"
            },
            {
                "name": "20111228 n.runs-SA-2011.004 - web programming languages and platforms - DoS through hash table",
                "refsource": "BUGTRAQ",
                "url": "http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html"
            },
            {
                "name": "RHSA-2012:0069",
                "refsource": "REDHAT",
                "url": "http://rhn.redhat.com/errata/RHSA-2012-0069.html"
            },
            {
                "name": "http://support.apple.com/kb/HT5281",
                "refsource": "CONFIRM",
                "url": "http://support.apple.com/kb/HT5281"
            },
            {
                "name": "APPLE-SA-2012-05-09-1",
                "refsource": "APPLE",
                "url": "http://lists.apple.com/archives/security-announce/2012/May/msg00001.html"
            },
            {
                "name": "JVNDB-2012-000066",
                "refsource": "JVNDB",
                "url": "http://jvndb.jvn.jp/ja/contents/2012/JVNDB-2012-000066.html"
            },
            {
                "name": "http://www.ocert.org/advisories/ocert-2011-003.html",
                "refsource": "MISC",
                "url": "http://www.ocert.org/advisories/ocert-2011-003.html"
            }
        ]
    }
}