{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2013-5018",
        "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 is_asn1 function in strongSwan 4.1.11 through 5.0.4 does not properly validate the return value of the asn1_length function, which allows remote attackers to cause a denial of service (segmentation fault) via a (1) XAuth username, (2) EAP identity, or (3) PEM encoded file that starts with a 0x04, 0x30, or 0x31 character followed by an ASN.1 length value that triggers an integer overflow."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "54315",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/54315"
            },
            {
                "name": "61564",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/61564"
            },
            {
                "name": "54524",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/54524"
            },
            {
                "name": "http://strongswan.org/blog/2013/08/01/strongswan-5.1.0-released.html",
                "refsource": "CONFIRM",
                "url": "http://strongswan.org/blog/2013/08/01/strongswan-5.1.0-released.html"
            },
            {
                "name": "openSUSE-SU-2013:1333",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-updates/2013-08/msg00022.html"
            },
            {
                "name": "http://strongswan.org/blog/2013/08/01/strongswan-denial-of-service-vulnerability-%28cve-2013-5018%29.html",
                "refsource": "CONFIRM",
                "url": "http://strongswan.org/blog/2013/08/01/strongswan-denial-of-service-vulnerability-%28cve-2013-5018%29.html"
            },
            {
                "name": "openSUSE-SU-2013:1332",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-updates/2013-08/msg00021.html"
            },
            {
                "name": "[Users] 20130729 [strongSwan] charon crash right after xauth+rsa client connects (strongswan-5.0.4, ubuntu 12.04)",
                "refsource": "MLIST",
                "url": "https://lists.strongswan.org/pipermail/users/2013-July/009540.html"
            },
            {
                "name": "openSUSE-SU-2013:1372",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-updates/2013-08/msg00050.html"
            }
        ]
    }
}