{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2013-07-29T00:00:00", "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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2016-11-25T19:57:01", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "54315", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/54315"}, {"name": "61564", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/61564"}, {"name": "54524", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/54524"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://strongswan.org/blog/2013/08/01/strongswan-5.1.0-released.html"}, {"name": "openSUSE-SU-2013:1333", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-updates/2013-08/msg00022.html"}, {"tags": ["x_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", "tags": ["vendor-advisory", "x_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)", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.strongswan.org/pipermail/users/2013-July/009540.html"}, {"name": "openSUSE-SU-2013:1372", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-updates/2013-08/msg00050.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "[email protected]", "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"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T16:59:41.283Z"}, "title": "CVE Program Container", "references": [{"name": "54315", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/54315"}, {"name": "61564", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/61564"}, {"name": "54524", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/54524"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://strongswan.org/blog/2013/08/01/strongswan-5.1.0-released.html"}, {"name": "openSUSE-SU-2013:1333", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-updates/2013-08/msg00022.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://strongswan.org/blog/2013/08/01/strongswan-denial-of-service-vulnerability-%28cve-2013-5018%29.html"}, {"name": "openSUSE-SU-2013:1332", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "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)", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.strongswan.org/pipermail/users/2013-July/009540.html"}, {"name": "openSUSE-SU-2013:1372", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-updates/2013-08/msg00050.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2013-5018", "datePublished": "2013-08-28T17:18:00", "dateReserved": "2013-07-30T00:00:00", "dateUpdated": "2024-08-06T16:59:41.283Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:strongswan:strongswan:4.1.11:*:*:*:*:*:*:*", "matchCriteriaId": "7D636603-65D5-45DB-AF7F-DD01B3932914", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:strongswan:strongswan:5.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "944942A8-79D0-40AC-BE98-D552DCF2BB07", "vulnerable": true}, {"criteria": "cpe:2.3:a:strongswan:strongswan:5.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "905ABDB8-6CC3-4F7F-8853-8EDDA5E5AB8F", "vulnerable": true}, {"criteria": "cpe:2.3:a:strongswan:strongswan:5.0.2:*:*:*:*:*:*:*", "matchCriteriaId": "14E2A13E-427F-45A7-B898-64C10CD8962B", "vulnerable": true}, {"criteria": "cpe:2.3:a:strongswan:strongswan:5.0.3:*:*:*:*:*:*:*", "matchCriteriaId": "40ED1E2A-B769-4B1D-83D1-300789E03C97", "vulnerable": true}, {"criteria": "cpe:2.3:a:strongswan:strongswan:5.0.4:*:*:*:*:*:*:*", "matchCriteriaId": "339D620A-CD60-4078-81A1-5703B1CFBB3D", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*", "matchCriteriaId": "DE554781-1EB9-446E-911F-6C11970C47F4", "vulnerable": true}, {"criteria": "cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:*", "matchCriteriaId": "D806A17E-B8F9-466D-807D-3F1E77603DC8", "vulnerable": true}, {"criteria": "cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*", "matchCriteriaId": "DFBF430B-0832-44B0-AA0E-BA9E467F7668", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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."}], "id": "CVE-2013-5018", "lastModified": "2024-11-21T01:56:54.470", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "[email protected]", "type": "Primary", "userInteractionRequired": false}]}, "published": "2013-08-28T23:55:10.650", "references": [{"source": "[email protected]", "url": "http://lists.opensuse.org/opensuse-updates/2013-08/msg00021.html"}, {"source": "[email protected]", "url": "http://lists.opensuse.org/opensuse-updates/2013-08/msg00022.html"}, {"source": "[email protected]", "url": "http://lists.opensuse.org/opensuse-updates/2013-08/msg00050.html"}, {"source": "[email protected]", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/54315"}, {"source": "[email protected]", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/54524"}, {"source": "[email protected]", "tags": ["Vendor Advisory"], "url": "http://strongswan.org/blog/2013/08/01/strongswan-5.1.0-released.html"}, {"source": "[email protected]", "tags": ["Vendor Advisory"], "url": "http://strongswan.org/blog/2013/08/01/strongswan-denial-of-service-vulnerability-%28cve-2013-5018%29.html"}, {"source": "[email protected]", "url": "http://www.securityfocus.com/bid/61564"}, {"source": "[email protected]", "tags": ["Exploit"], "url": "https://lists.strongswan.org/pipermail/users/2013-July/009540.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "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", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/54315"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/54524"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://strongswan.org/blog/2013/08/01/strongswan-5.1.0-released.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://strongswan.org/blog/2013/08/01/strongswan-denial-of-service-vulnerability-%28cve-2013-5018%29.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/61564"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "https://lists.strongswan.org/pipermail/users/2013-July/009540.html"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "strongswan: denial of service flaw in 5.0.3/5.0.4", "id": "991215", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=991215"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "draft"}, "details": ["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."], "name": "CVE-2013-5018", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "openswan", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "openswan", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "openswan", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2013-08-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2013-5018\nhttps://nvd.nist.gov/vuln/detail/CVE-2013-5018\nhttp://strongswan.org/blog/2013/08/01/strongswan-denial-of-service-vulnerability-(cve-2013-5018).html"], "statement": "Not vulnerable. This issue did not affect the versions of openswan as shipped with Red Hat Enterprise Linux 5 or 6 as they did not include the problematic newline checks when validating ASN.1 length.", "threat_severity": "Moderate", "upstream_fix": "strongswan 5.1.0"}