{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2009-3639",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The mod_tls module in ProFTPD before 1.3.2b, and 1.3.3 before 1.3.3rc2, when the dNSNameRequired TLS option is enabled, does not properly handle a '\\0' character in a domain name in the Subject Alternative Name field of an X.509 client certificate, which allows remote attackers to bypass intended client-hostname restrictions via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "http://bugs.proftpd.org/show_bug.cgi?id=3275",
                "refsource": "MISC",
                "name": "http://bugs.proftpd.org/show_bug.cgi?id=3275"
            },
            {
                "url": "http://marc.info/?l=oss-security&m=125630966510672&w=2",
                "refsource": "MISC",
                "name": "http://marc.info/?l=oss-security&m=125630966510672&w=2"
            },
            {
                "url": "http://marc.info/?l=oss-security&m=125632960508211&w=2",
                "refsource": "MISC",
                "name": "http://marc.info/?l=oss-security&m=125632960508211&w=2"
            },
            {
                "url": "http://secunia.com/advisories/37131",
                "refsource": "MISC",
                "name": "http://secunia.com/advisories/37131"
            },
            {
                "url": "http://secunia.com/advisories/37219",
                "refsource": "MISC",
                "name": "http://secunia.com/advisories/37219"
            },
            {
                "url": "http://www.debian.org/security/2009/dsa-1925",
                "refsource": "MISC",
                "name": "http://www.debian.org/security/2009/dsa-1925"
            },
            {
                "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:288",
                "refsource": "MISC",
                "name": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:288"
            },
            {
                "url": "http://www.securityfocus.com/bid/36804",
                "refsource": "MISC",
                "name": "http://www.securityfocus.com/bid/36804"
            },
            {
                "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/53936",
                "refsource": "MISC",
                "name": "https://exchange.xforce.ibmcloud.com/vulnerabilities/53936"
            },
            {
                "url": "https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00642.html",
                "refsource": "MISC",
                "name": "https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00642.html"
            },
            {
                "url": "https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00649.html",
                "refsource": "MISC",
                "name": "https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00649.html"
            },
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=530719",
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=530719"
            }
        ]
    }
}