{"id":"CVE-2003-1230","state":"PUBLISHED","title":"The implementation of SYN cookies (syncookies) in FreeBSD 4.5 through 5.0-RELEASE-p3 uses only 32-bit internal keys when generating syncookies, which makes it easier for remote att","description":"The implementation of SYN cookies (syncookies) in FreeBSD 4.5 through 5.0-RELEASE-p3 uses only 32-bit internal keys when generating syncookies, which makes it easier for remote attackers to conduct brute force ISN guessing attacks and spoof legitimate traffic.","publishedAt":"2005-08-17T04:00:00.000Z","updatedAt":"2024-08-08T02:19:45.987Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["http://www.osvdb.org/19785","https://exchange.xforce.ibmcloud.com/vulnerabilities/11397","http://www.securityfocus.com/bid/6920","http://secunia.com/advisories/8142/","http://www.securityfocus.com/advisories/5013"],"weaknesses":[],"ingestedAt":"2026-10-29T19:26:52.691Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2003/1xxx/CVE-2003-1230.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2003-1230","state":"PUBLISHED","datePublished":"2005-08-17T04:00:00.000Z","dateUpdated":"2024-08-08T02:19:45.987Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2005-08-17T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"The implementation of SYN cookies (syncookies) in FreeBSD 4.5 through 5.0-RELEASE-p3 uses only 32-bit internal keys when generating syncookies, which makes it easier for remote attackers to conduct brute force ISN guessing attacks and spoof legitimate traffic."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"http://www.osvdb.org/19785","name":"19785","tags":["vdb-entry","x_refsource_OSVDB"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/11397","name":"freebsd-syncookie-brute-force(11397)","tags":["vdb-entry","x_refsource_XF"]},{"url":"http://www.securityfocus.com/bid/6920","name":"6920","tags":["vdb-entry","x_refsource_BID"]},{"url":"http://secunia.com/advisories/8142/","name":"8142","tags":["third-party-advisory","x_refsource_SECUNIA"]},{"url":"http://www.securityfocus.com/advisories/5013","name":"FreeBSD-SA-03:03","tags":["vendor-advisory","x_refsource_FREEBSD"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2017-07-10T14:57:01.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"datePublic":"2003-02-24T00:00:00.000Z","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2003-1230","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 implementation of SYN cookies (syncookies) in FreeBSD 4.5 through 5.0-RELEASE-p3 uses only 32-bit internal keys when generating syncookies, which makes it easier for remote attackers to conduct brute force ISN guessing attacks and spoof legitimate traffic."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"19785","refsource":"OSVDB","url":"http://www.osvdb.org/19785"},{"name":"freebsd-syncookie-brute-force(11397)","refsource":"XF","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/11397"},{"name":"6920","refsource":"BID","url":"http://www.securityfocus.com/bid/6920"},{"name":"8142","refsource":"SECUNIA","url":"http://secunia.com/advisories/8142/"},{"name":"FreeBSD-SA-03:03","refsource":"FREEBSD","url":"http://www.securityfocus.com/advisories/5013"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.osvdb.org/19785","name":"19785","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/11397","name":"freebsd-syncookie-brute-force(11397)","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/bid/6920","name":"6920","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://secunia.com/advisories/8142/","name":"8142","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.securityfocus.com/advisories/5013","name":"FreeBSD-SA-03:03","tags":["vendor-advisory","x_refsource_FREEBSD","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-08T02:19:45.987Z"}}]}}}