{
    "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2016-4979",
        "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": "The Apache HTTP Server 2.4.18 through 2.4.20, when mod_http2 and mod_ssl are enabled, does not properly recognize the \"SSLVerifyClient require\" directive for HTTP/2 request authorization, which allows remote attackers to bypass intended access restrictions by leveraging the ability to send multiple requests over a single connection and aborting a renegotiation."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "RHSA-2016:1420",
                "refsource": "REDHAT",
                "url": "https://access.redhat.com/errata/RHSA-2016:1420"
            },
            {
                "name": "http://httpd.apache.org/security/vulnerabilities_24.html",
                "refsource": "CONFIRM",
                "url": "http://httpd.apache.org/security/vulnerabilities_24.html"
            },
            {
                "name": "GLSA-201610-02",
                "refsource": "GENTOO",
                "url": "https://security.gentoo.org/glsa/201610-02"
            },
            {
                "name": "20160706 CVE-2016-4979: HTTPD webserver - X509 Client certificate based authentication can be bypassed when HTTP/2 is used [vs]",
                "refsource": "FULLDISC",
                "url": "http://seclists.org/fulldisclosure/2016/Jul/11"
            },
            {
                "name": "http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html",
                "refsource": "CONFIRM",
                "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html"
            },
            {
                "name": "http://www.apache.org/dist/httpd/CHANGES_2.4",
                "refsource": "CONFIRM",
                "url": "http://www.apache.org/dist/httpd/CHANGES_2.4"
            },
            {
                "name": "91566",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/91566"
            },
            {
                "name": "http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html",
                "refsource": "CONFIRM",
                "url": "http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html"
            },
            {
                "name": "1036225",
                "refsource": "SECTRACK",
                "url": "http://www.securitytracker.com/id/1036225"
            },
            {
                "name": "[oss-security] 20160705 CVE-2016-4979: HTTPD webserver - X509 Client certificate based authentication can be bypassed when HTTP/2 is used [vs]",
                "refsource": "MLIST",
                "url": "http://www.openwall.com/lists/oss-security/2016/07/05/5"
            },
            {
                "name": "https://github.com/apache/httpd/commit/2d0e4eff04ea963128a41faaef21f987272e05a2",
                "refsource": "CONFIRM",
                "url": "https://github.com/apache/httpd/commit/2d0e4eff04ea963128a41faaef21f987272e05a2"
            },
            {
                "name": "http://packetstormsecurity.com/files/137771/Apache-2.4.20-X509-Authentication-Bypass.html",
                "refsource": "MISC",
                "url": "http://packetstormsecurity.com/files/137771/Apache-2.4.20-X509-Authentication-Bypass.html"
            },
            {
                "name": "https://security.netapp.com/advisory/ntap-20180601-0001/",
                "refsource": "CONFIRM",
                "url": "https://security.netapp.com/advisory/ntap-20180601-0001/"
            }
        ]
    }
}