{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-41904", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "dateUpdated": "2024-08-03T12:56:38.521Z", "dateReserved": "2022-09-30T00:00:00", "datePublished": "2022-11-11T00:00:00"}, "containers": {"cna": {"title": "Element iOS is vulnerable due to missing decoration for events decrypted with untrusted Megolm sessions", "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2022-11-11T00:00:00"}, "descriptions": [{"lang": "en", "value": "Element iOS is an iOS Matrix client provided by Element. It is based on MatrixSDK. Prior to version 1.9.7, events encrypted using Megolm for which trust could not be established did not get decorated accordingly (with warning shields). Therefore a malicious homeserver could inject messages into the room without the user being alerted that the messages were not sent by a verified group member, even if the user has previously verified all group members. This issue has been patched in Element iOS 1.9.7. There are currently no known workarounds."}], "affected": [{"vendor": "vector-im", "product": "element-ios", "versions": [{"version": "< 1.9.7", "status": "affected"}]}], "references": [{"url": "https://github.com/vector-im/element-ios/security/advisories/GHSA-fm8m-99j7-323g"}, {"url": "https://github.com/vector-im/element-ios/releases/tag/v1.9.7"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-357: Insufficient UI Warning of Dangerous Operations", "cweId": "CWE-357"}]}], "source": {"advisory": "GHSA-fm8m-99j7-323g", "discovery": "UNKNOWN"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T12:56:38.521Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/vector-im/element-ios/security/advisories/GHSA-fm8m-99j7-323g", "tags": ["x_transferred"]}, {"url": "https://github.com/vector-im/element-ios/releases/tag/v1.9.7", "tags": ["x_transferred"]}]}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:element:element:*:*:*:*:*:iphone_os:*:*", "matchCriteriaId": "F9B4C119-5BAB-4A44-9E43-A9EB1002FD31", "versionEndExcluding": "1.9.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Element iOS is an iOS Matrix client provided by Element. It is based on MatrixSDK. Prior to version 1.9.7, events encrypted using Megolm for which trust could not be established did not get decorated accordingly (with warning shields). Therefore a malicious homeserver could inject messages into the room without the user being alerted that the messages were not sent by a verified group member, even if the user has previously verified all group members. This issue has been patched in Element iOS 1.9.7. There are currently no known workarounds."}, {"lang": "es", "value": "Element iOS es un cliente iOS Matrix proporcionado por Element. Est\u00e1 basado en MatrixSDK. Antes de la versi\u00f3n 1.9.7, los eventos cifrados con Megolm para los cuales no se pod\u00eda establecer confianza no se decoraban en consecuencia (con escudos de advertencia). Por lo tanto, un servidor dom\u00e9stico malicioso podr\u00eda inyectar mensajes en la sala sin que el usuario sea alertado de que los mensajes no fueron enviados por un miembro verificado del grupo, incluso si el usuario ha verificado previamente a todos los miembros del grupo. Este problema se solucion\u00f3 en Element iOS 1.9.7. Actualmente no se conocen workarounds."}], "id": "CVE-2022-41904", "lastModified": "2022-11-16T16:56:41.030", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 2.5, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 2.7, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2022-11-11T19:15:11.483", "references": [{"source": "security-advisories@github.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/vector-im/element-ios/releases/tag/v1.9.7"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/vector-im/element-ios/security/advisories/GHSA-fm8m-99j7-323g"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-357"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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