{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-45195", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2022-11-12T00:00:00", "dateReserved": "2022-11-12T00:00:00", "datePublished": "2022-11-12T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2022-11-12T00:00:00"}, "descriptions": [{"lang": "en", "value": "SimpleXMQ before 3.4.0, as used in SimpleX Chat before 4.2, does not apply a key derivation function to intended data, which can interfere with forward secrecy and can have other impacts if there is a compromise of a single private key. This occurs in the X3DH key exchange for the double ratchet protocol."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/trailofbits/publications/blob/master/reviews/SimpleXChat.pdf"}, {"url": "https://simplex.chat/blog/20221108-simplex-chat-v4.2-security-audit-new-website.html"}, {"url": "https://github.com/simplex-chat/simplexmq/pull/548"}, {"url": "https://github.com/simplex-chat/simplexmq/compare/v3.3.0...v3.4.0"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:simplex:simplex_chat:*:*:*:*:*:*:*:*", "matchCriteriaId": "ECDE3D16-21FE-4B63-B058-36AE1FD86F2F", "versionEndExcluding": "4.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:simplex:simplexmq:*:*:*:*:*:*:*:*", "matchCriteriaId": "A14D8103-1966-40FE-BD16-FEDC8A5A6018", "versionEndExcluding": "3.4.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "SimpleXMQ before 3.4.0, as used in SimpleX Chat before 4.2, does not apply a key derivation function to intended data, which can interfere with forward secrecy and can have other impacts if there is a compromise of a single private key. This occurs in the X3DH key exchange for the double ratchet protocol."}, {"lang": "es", "value": "SimpleXMQ anterior a 3.4.0, tal como se usa en SimpleX Chat anterior a 4.2, no aplica una funci\u00f3n de derivaci\u00f3n de clave a los datos deseados, lo que puede interferir con el secreto directo y puede tener otros impactos si se compromete una \u00fanica clave privada. Esto ocurre en el intercambio de claves X3DH para el protocolo de doble trinquete."}], "id": "CVE-2022-45195", "lastModified": "2022-11-17T17:06:36.037", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-11-12T19:15:10.707", "references": [{"source": "cve@mitre.org", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/simplex-chat/simplexmq/compare/v3.3.0...v3.4.0"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/simplex-chat/simplexmq/pull/548"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "url": "https://github.com/trailofbits/publications/blob/master/reviews/SimpleXChat.pdf"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://simplex.chat/blog/20221108-simplex-chat-v4.2-security-audit-new-website.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-327"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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