{"id":"CVE-2005-0068","state":"PUBLISHED","title":"The original design of ICMP does not require authentication for host-generated ICMP error messages, which makes it easier for attackers to forge ICMP error messages for specific TC","description":"The original design of ICMP does not require authentication for host-generated ICMP error messages, which makes it easier for attackers to forge ICMP error messages for specific TCP connections and cause a denial of service, as demonstrated using (1) blind connection-reset attacks with forged \"Destination Unreachable\" messages, (2) blind throughput-reduction attacks with forged \"Source Quench\" messages, or (3) blind throughput-reduction attacks with forged ICMP messages that cause the Path MTU to be reduced.  NOTE: CVE-2004-0790, CVE-2004-0791, and CVE-2004-1060 have been SPLIT based on different attacks; CVE-2005-0065, CVE-2005-0066, CVE-2005-0067, and CVE-2005-0068 are related identifiers that are SPLIT based on the underlying vulnerability.  While CVE normally SPLITs based on vulnerability, the attack-based identifiers exist due to the variety and number of affected implementations and solutions that address the attacks instead of the underlying vulnerabilities.","publishedAt":"2005-01-19T05:00:00.000Z","updatedAt":"2024-08-07T20:57:41.185Z","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.securityfocus.com/bid/13124","http://www.gont.com.ar/drafts/icmp-attacks-against-tcp.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:27:10.687Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2005/0xxx/CVE-2005-0068.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2005-0068","state":"PUBLISHED","datePublished":"2005-01-19T05:00:00.000Z","dateUpdated":"2024-08-07T20:57:41.185Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2005-01-13T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"The original design of ICMP does not require authentication for host-generated ICMP error messages, which makes it easier for attackers to forge ICMP error messages for specific TCP connections and cause a denial of service, as demonstrated using (1) blind connection-reset attacks with forged \"Destination Unreachable\" messages, (2) blind throughput-reduction attacks with forged \"Source Quench\" messages, or (3) blind throughput-reduction attacks with forged ICMP messages that cause the Path MTU to be reduced.  NOTE: CVE-2004-0790, CVE-2004-0791, and CVE-2004-1060 have been SPLIT based on different attacks; CVE-2005-0065, CVE-2005-0066, CVE-2005-0067, and CVE-2005-0068 are related identifiers that are SPLIT based on the underlying vulnerability.  While CVE normally SPLITs based on vulnerability, the attack-based identifiers exist due to the variety and number of affected implementations and solutions that address the attacks instead of the underlying vulnerabilities."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"http://www.securityfocus.com/bid/13124","name":"13124","tags":["vdb-entry","x_refsource_BID"]},{"url":"http://www.gont.com.ar/drafts/icmp-attacks-against-tcp.html","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2005-04-14T09:00:00.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"datePublic":"2004-08-02T00:00:00.000Z","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2005-0068","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 original design of ICMP does not require authentication for host-generated ICMP error messages, which makes it easier for attackers to forge ICMP error messages for specific TCP connections and cause a denial of service, as demonstrated using (1) blind connection-reset attacks with forged \"Destination Unreachable\" messages, (2) blind throughput-reduction attacks with forged \"Source Quench\" messages, or (3) blind throughput-reduction attacks with forged ICMP messages that cause the Path MTU to be reduced.  NOTE: CVE-2004-0790, CVE-2004-0791, and CVE-2004-1060 have been SPLIT based on different attacks; CVE-2005-0065, CVE-2005-0066, CVE-2005-0067, and CVE-2005-0068 are related identifiers that are SPLIT based on the underlying vulnerability.  While CVE normally SPLITs based on vulnerability, the attack-based identifiers exist due to the variety and number of affected implementations and solutions that address the attacks instead of the underlying vulnerabilities."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"13124","refsource":"BID","url":"http://www.securityfocus.com/bid/13124"},{"name":"http://www.gont.com.ar/drafts/icmp-attacks-against-tcp.html","refsource":"MISC","url":"http://www.gont.com.ar/drafts/icmp-attacks-against-tcp.html"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.securityfocus.com/bid/13124","name":"13124","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.gont.com.ar/drafts/icmp-attacks-against-tcp.html","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-07T20:57:41.185Z"}}]}}}