Show plain JSON{"id": "CVE-2013-5018", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2013-08-28T23:55:10.650", "references": [{"url": "http://lists.opensuse.org/opensuse-updates/2013-08/msg00021.html", "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-updates/2013-08/msg00022.html", "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-updates/2013-08/msg00050.html", "source": "cve@mitre.org"}, {"url": "http://secunia.com/advisories/54315", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://secunia.com/advisories/54524", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://strongswan.org/blog/2013/08/01/strongswan-5.1.0-released.html", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://strongswan.org/blog/2013/08/01/strongswan-denial-of-service-vulnerability-%28cve-2013-5018%29.html", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/61564", "source": "cve@mitre.org"}, {"url": "https://lists.strongswan.org/pipermail/users/2013-July/009540.html", "tags": ["Exploit"], "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-updates/2013-08/msg00021.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-updates/2013-08/msg00022.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-updates/2013-08/msg00050.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/54315", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/54524", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://strongswan.org/blog/2013/08/01/strongswan-5.1.0-released.html", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://strongswan.org/blog/2013/08/01/strongswan-denial-of-service-vulnerability-%28cve-2013-5018%29.html", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/61564", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.strongswan.org/pipermail/users/2013-July/009540.html", "tags": ["Exploit"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "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."}, {"lang": "es", "value": "La funci\u00f3n is_asn1 en strongSwan v4.1.11 hasta v5.0.4 no valida correctamente el valor de retorno de la funci\u00f3n asn1_length, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria) a trav\u00e9s de (1) nombre de usuario XAuth, (2) identidad EAP, o (3) la codificaci\u00f3n PEM de un fichero que comienza con los caracteres \"0x04, 0x30, o 0x31\" seguidos por un valor de tama\u00f1o ASN.1 que dispara un desbordamiento de enteros."}], "lastModified": "2025-04-11T00:51:21.963", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:strongswan:strongswan:4.1.11:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7D636603-65D5-45DB-AF7F-DD01B3932914"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:strongswan:strongswan:5.0.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "944942A8-79D0-40AC-BE98-D552DCF2BB07"}, {"criteria": "cpe:2.3:a:strongswan:strongswan:5.0.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "905ABDB8-6CC3-4F7F-8853-8EDDA5E5AB8F"}, {"criteria": "cpe:2.3:a:strongswan:strongswan:5.0.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "14E2A13E-427F-45A7-B898-64C10CD8962B"}, {"criteria": "cpe:2.3:a:strongswan:strongswan:5.0.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "40ED1E2A-B769-4B1D-83D1-300789E03C97"}, {"criteria": "cpe:2.3:a:strongswan:strongswan:5.0.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "339D620A-CD60-4078-81A1-5703B1CFBB3D"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DE554781-1EB9-446E-911F-6C11970C47F4"}, {"criteria": "cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D806A17E-B8F9-466D-807D-3F1E77603DC8"}, {"criteria": "cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DFBF430B-0832-44B0-AA0E-BA9E467F7668"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"} 