CVE-2022-2576

{"id": "CVE-2022-2576", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2022-07-29T14:15:08.177", "references": [{"url": "https://bugs.eclipse.org/580018", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "emo@eclipse.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}, {"type": "Secondary", "source": "emo@eclipse.org", "description": [{"lang": "en", "value": "CWE-408"}]}], "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."}, {"lang": "es", "value": "En Eclipse Californium versiones 2.0.0 a 2.7.2 y 3.0.0-3.5.0, un handshake de reanudaci\u00f3n DTLS retrocede a un handshake completo DTLS en caso de desajuste de par\u00e1metros sin usar un HelloVerifyRequest. Especialmente, si es usado con suites de cifrado basadas en certificados, eso resulta en una amplificaci\u00f3n de mensajes (DDoS otros pares) y alta carga de CPU (DoS propio par). El comportamiento inapropiado ocurre s\u00f3lo con valores de DTLS_VERIFY_PEERS_ON_THRESHOLD mayores que 0"}], "lastModified": "2022-08-05T16:13:48.700", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:eclipse:californium:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F7FB01D5-BA10-4357-9F61-F56D244CA986", "versionEndIncluding": "2.7.2", "versionStartIncluding": "2.0.0"}, {"criteria": "cpe:2.3:a:eclipse:californium:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5C28E170-E7E3-4E2D-9A4F-E65EF4F81678", "versionEndIncluding": "3.5.0", "versionStartIncluding": "3.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "emo@eclipse.org"}