{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2011-4858",
        "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": "Apache Tomcat before 5.5.35, 6.x before 6.0.35, and 7.x before 7.0.23 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/FireFart/HashCollision-DOS-POC/blob/master/HashtablePOC.py",
                "refsource": "MISC",
                "url": "https://github.com/FireFart/HashCollision-DOS-POC/blob/master/HashtablePOC.py"
            },
            {
                "name": "DSA-2401",
                "refsource": "DEBIAN",
                "url": "http://www.debian.org/security/2012/dsa-2401"
            },
            {
                "name": "http://www.nruns.com/_downloads/advisory28122011.pdf",
                "refsource": "MISC",
                "url": "http://www.nruns.com/_downloads/advisory28122011.pdf"
            },
            {
                "name": "RHSA-2012:0325",
                "refsource": "REDHAT",
                "url": "http://rhn.redhat.com/errata/RHSA-2012-0325.html"
            },
            {
                "name": "HPSBUX02860",
                "refsource": "HP",
                "url": "http://marc.info/?l=bugtraq&m=136485229118404&w=2"
            },
            {
                "name": "RHSA-2012:0078",
                "refsource": "REDHAT",
                "url": "http://rhn.redhat.com/errata/RHSA-2012-0078.html"
            },
            {
                "name": "51200",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/51200"
            },
            {
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=750521",
                "refsource": "CONFIRM",
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=750521"
            },
            {
                "name": "48791",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/48791"
            },
            {
                "name": "oval:org.mitre.oval:def:18886",
                "refsource": "OVAL",
                "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18886"
            },
            {
                "name": "http://tomcat.apache.org/tomcat-7.0-doc/changelog.html",
                "refsource": "CONFIRM",
                "url": "http://tomcat.apache.org/tomcat-7.0-doc/changelog.html"
            },
            {
                "name": "RHSA-2012:0075",
                "refsource": "REDHAT",
                "url": "http://rhn.redhat.com/errata/RHSA-2012-0075.html"
            },
            {
                "name": "RHSA-2012:0074",
                "refsource": "REDHAT",
                "url": "http://rhn.redhat.com/errata/RHSA-2012-0074.html"
            },
            {
                "name": "48549",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/48549"
            },
            {
                "name": "RHSA-2012:0089",
                "refsource": "REDHAT",
                "url": "http://rhn.redhat.com/errata/RHSA-2012-0089.html"
            },
            {
                "name": "54971",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/54971"
            },
            {
                "name": "48790",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/48790"
            },
            {
                "name": "55115",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/55115"
            },
            {
                "name": "VU#903934",
                "refsource": "CERT-VN",
                "url": "http://www.kb.cert.org/vuls/id/903934"
            },
            {
                "name": "[announce] 20111228 [SECURITY] Apache Tomcat and the hashtable collision DoS vulnerability",
                "refsource": "MLIST",
                "url": "http://mail-archives.apache.org/mod_mbox/tomcat-announce/201112.mbox/%3c4EFB9800.5010106@apache.org%3e"
            },
            {
                "name": "SSRT100771",
                "refsource": "HP",
                "url": "http://marc.info/?l=bugtraq&m=133294394108746&w=2"
            },
            {
                "name": "SSRT100728",
                "refsource": "HP",
                "url": "http://marc.info/?l=bugtraq&m=132871655717248&w=2"
            },
            {
                "name": "RHSA-2012:0406",
                "refsource": "REDHAT",
                "url": "http://rhn.redhat.com/errata/RHSA-2012-0406.html"
            },
            {
                "name": "HPSBMU02747",
                "refsource": "HP",
                "url": "http://marc.info/?l=bugtraq&m=133294394108746&w=2"
            },
            {
                "name": "SSRT101146",
                "refsource": "HP",
                "url": "http://marc.info/?l=bugtraq&m=136485229118404&w=2"
            },
            {
                "name": "HPSBUX02741",
                "refsource": "HP",
                "url": "http://marc.info/?l=bugtraq&m=132871655717248&w=2"
            },
            {
                "name": "RHSA-2012:0076",
                "refsource": "REDHAT",
                "url": "http://rhn.redhat.com/errata/RHSA-2012-0076.html"
            },
            {
                "name": "RHSA-2012:0077",
                "refsource": "REDHAT",
                "url": "http://rhn.redhat.com/errata/RHSA-2012-0077.html"
            },
            {
                "name": "http://www.ocert.org/advisories/ocert-2011-003.html",
                "refsource": "MISC",
                "url": "http://www.ocert.org/advisories/ocert-2011-003.html"
            }
        ]
    }
}