{"id":"CVE-2022-2576","state":"PUBLISHED","title":"In Eclipse Californium version 2.0.0 to 2.7.2 and 3.0.0-3.5.0 a DTLS resumption handshake falls back to a DTLS full handshake on a parameter mismatch without using a HelloVerifyReq","description":"In Eclipse Californium version 2.0.0 to 2.7.2 and 3.0.0-3.5.0 a DTLS resumption handshake falls back to a DTLS full handshake on a parameter mismatch without using a HelloVerifyRequest. Especially, if used with certificate based cipher suites, that results in message amplification (DDoS other peers) and high CPU load (DoS own peer). The misbehavior occurs only with DTLS_VERIFY_PEERS_ON_RESUMPTION_THRESHOLD values larger than 0.","publishedAt":"2022-07-29T13:20:10.000Z","updatedAt":"2024-08-03T00:39:08.153Z","severity":null,"assigner":"eclipse","products":["The Eclipse Foundation Eclipse Californium"],"affected":[{"vendor":"The Eclipse Foundation","product":"Eclipse Californium","versions":[{"version":"2.0.0","status":"affected","lessThan":"unspecified","versionType":"custom"},{"version":"unspecified","status":"affected","lessThanOrEqual":"2.7.2","versionType":"custom"},{"version":"3.0.0","status":"affected","lessThan":"unspecified","versionType":"custom"},{"version":"unspecified","status":"affected","lessThanOrEqual":"3.5.0","versionType":"custom"}]}],"references":["https://bugs.eclipse.org/580018"],"weaknesses":["CWE-408"],"ingestedAt":"2026-10-29T19:50:01.354Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/2xxx/CVE-2022-2576.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-2576","state":"PUBLISHED","datePublished":"2022-07-29T13:20:10.000Z","dateUpdated":"2024-08-03T00:39:08.153Z","assignerShortName":"eclipse","assignerOrgId":"e51fbebd-6053-4e49-959f-1b94eeb69a2c","dateReserved":"2022-07-29T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"In Eclipse Californium version 2.0.0 to 2.7.2 and 3.0.0-3.5.0 a DTLS resumption handshake falls back to a DTLS full handshake on a parameter mismatch without using a HelloVerifyRequest. Especially, if used with certificate based cipher suites, that results in message amplification (DDoS other peers) and high CPU load (DoS own peer). The misbehavior occurs only with DTLS_VERIFY_PEERS_ON_RESUMPTION_THRESHOLD values larger than 0."}],"affected":[{"vendor":"The Eclipse Foundation","product":"Eclipse Californium","versions":[{"version":"2.0.0","status":"affected","lessThan":"unspecified","versionType":"custom"},{"version":"unspecified","status":"affected","lessThanOrEqual":"2.7.2","versionType":"custom"},{"version":"3.0.0","status":"affected","lessThan":"unspecified","versionType":"custom"},{"version":"unspecified","status":"affected","lessThanOrEqual":"3.5.0","versionType":"custom"}]}],"references":[{"url":"https://bugs.eclipse.org/580018","tags":["x_refsource_CONFIRM"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-408","description":"CWE-408: Incorrect Behavior Order: Early Amplification","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"eclipse","dateUpdated":"2022-07-29T13:20:10.000Z","orgId":"e51fbebd-6053-4e49-959f-1b94eeb69a2c"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security@eclipse.org","ID":"CVE-2022-2576","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Eclipse Californium","version":{"version_data":[{"version_affected":">=","version_value":"2.0.0"},{"version_affected":"<=","version_value":"2.7.2"},{"version_affected":">=","version_value":"3.0.0"},{"version_affected":"<=","version_value":"3.5.0"}]}}]},"vendor_name":"The Eclipse Foundation"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"In Eclipse Californium version 2.0.0 to 2.7.2 and 3.0.0-3.5.0 a DTLS resumption handshake falls back to a DTLS full handshake on a parameter mismatch without using a HelloVerifyRequest. Especially, if used with certificate based cipher suites, that results in message amplification (DDoS other peers) and high CPU load (DoS own peer). The misbehavior occurs only with DTLS_VERIFY_PEERS_ON_RESUMPTION_THRESHOLD values larger than 0."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-408: Incorrect Behavior Order: Early Amplification"}]}]},"references":{"reference_data":[{"name":"https://bugs.eclipse.org/580018","refsource":"CONFIRM","url":"https://bugs.eclipse.org/580018"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://bugs.eclipse.org/580018","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T00:39:08.153Z"}}]}}}