{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-10-03T16:22:08", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://matrix.org/blog/2018/06/14/security-update-synapse-0-31-2/"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/matrix-org/matrix-doc/issues/1304"}, {"tags": ["x_refsource_MISC"], "url": "https://bugs.debian.org/901549"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2018-12423", "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": "In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://matrix.org/blog/2018/06/14/security-update-synapse-0-31-2/", "refsource": "MISC", "url": "https://matrix.org/blog/2018/06/14/security-update-synapse-0-31-2/"}, {"name": "https://github.com/matrix-org/matrix-doc/issues/1304", "refsource": "MISC", "url": "https://github.com/matrix-org/matrix-doc/issues/1304"}, {"name": "https://bugs.debian.org/901549", "refsource": "MISC", "url": "https://bugs.debian.org/901549"}]}}}}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2018-12423", "datePublished": "2022-10-03T16:22:08", "dateReserved": "2022-10-03T00:00:00", "dateUpdated": "2022-10-03T16:22:08", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:matrix:synapse:*:*:*:*:*:*:*:*", "matchCriteriaId": "9B40AE39-D68C-4C3D-8E8A-77648D312BE2", "versionEndExcluding": "0.31.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force."}, {"lang": "es", "value": "En Synapse en versiones anteriores a la 0.31.2, los usuarios no autorizados pueden secuestrar salas cuando no hay ning\u00fan evento m.room.power_levels en aplicaci\u00f3n."}], "id": "CVE-2018-12423", "lastModified": "2019-10-03T00:03:26.223", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-06-14T21:29:00.253", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://bugs.debian.org/901549"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/matrix-org/matrix-doc/issues/1304"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://matrix.org/blog/2018/06/14/security-update-synapse-0-31-2/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}