{"id":"CVE-2013-5018","state":"PUBLISHED","title":"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 ","description":"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.","publishedAt":"2013-08-28T17:18:00.000Z","updatedAt":"2024-08-06T16:59:41.283Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["http://secunia.com/advisories/54315","http://www.securityfocus.com/bid/61564","http://secunia.com/advisories/54524","http://strongswan.org/blog/2013/08/01/strongswan-5.1.0-released.html","http://lists.opensuse.org/opensuse-updates/2013-08/msg00022.html","http://strongswan.org/blog/2013/08/01/strongswan-denial-of-service-vulnerability-%28cve-2013-5018%29.html","http://lists.opensuse.org/opensuse-updates/2013-08/msg00021.html","https://lists.strongswan.org/pipermail/users/2013-July/009540.html","http://lists.opensuse.org/opensuse-updates/2013-08/msg00050.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:40:52.792Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2013/5xxx/CVE-2013-5018.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2013-5018","state":"PUBLISHED","datePublished":"2013-08-28T17:18:00.000Z","dateUpdated":"2024-08-06T16:59:41.283Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2013-07-30T00:00:00.000Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"http://secunia.com/advisories/54315","name":"54315","tags":["third-party-advisory","x_refsource_SECUNIA"]},{"url":"http://www.securityfocus.com/bid/61564","name":"61564","tags":["vdb-entry","x_refsource_BID"]},{"url":"http://secunia.com/advisories/54524","name":"54524","tags":["third-party-advisory","x_refsource_SECUNIA"]},{"url":"http://strongswan.org/blog/2013/08/01/strongswan-5.1.0-released.html","tags":["x_refsource_CONFIRM"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-08/msg00022.html","name":"openSUSE-SU-2013:1333","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://strongswan.org/blog/2013/08/01/strongswan-denial-of-service-vulnerability-%28cve-2013-5018%29.html","tags":["x_refsource_CONFIRM"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-08/msg00021.html","name":"openSUSE-SU-2013:1332","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"https://lists.strongswan.org/pipermail/users/2013-July/009540.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":"http://lists.opensuse.org/opensuse-updates/2013-08/msg00050.html","name":"openSUSE-SU-2013:1372","tags":["vendor-advisory","x_refsource_SUSE"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2016-11-25T19:57:01.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"datePublic":"2013-07-29T00:00:00.000Z","x_legacyV4Record":{"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"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://secunia.com/advisories/54315","name":"54315","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.securityfocus.com/bid/61564","name":"61564","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://secunia.com/advisories/54524","name":"54524","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://strongswan.org/blog/2013/08/01/strongswan-5.1.0-released.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-08/msg00022.html","name":"openSUSE-SU-2013:1333","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://strongswan.org/blog/2013/08/01/strongswan-denial-of-service-vulnerability-%28cve-2013-5018%29.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-08/msg00021.html","name":"openSUSE-SU-2013:1332","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"https://lists.strongswan.org/pipermail/users/2013-July/009540.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":"http://lists.opensuse.org/opensuse-updates/2013-08/msg00050.html","name":"openSUSE-SU-2013:1372","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-06T16:59:41.283Z"}}]}}}