CVE-2019-11340

{"id": "CVE-2019-11340", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}]}, "published": "2019-04-19T14:29:00.417", "references": [{"url": "https://github.com/matrix-org/sydent/commit/4e1cfff53429c49c87d5c457a18ed435520044fc", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/matrix-org/sydent/compare/7c002cd...09278fb", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://matrix.org/blog/2019/04/18/security-update-sydent-1-0-2/", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://twitter.com/matrixdotorg/status/1118934335963500545", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "util/emailutils.py in Matrix Sydent before 1.0.2 mishandles registration restrictions that are based on e-mail domain, if the allowed_local_3pids option is enabled. This occurs because of potentially unwanted behavior in Python, in which an email.utils.parseaddr call on user@bad.example.net@good.example.com returns the user@bad.example.net substring."}, {"lang": "es", "value": "Vulnerabilidad en archivo util/emailutils.py en Matrix Sydent anterior a las restricciones de registro de la versi\u00f3n 1.0.2 basado en el dominio de correo electr\u00f3nico, si la opci\u00f3n allowed_local_3pids est\u00e1 habilitada. Esto ocurre debido a un comportamiento potencialmente no deseado en Python, en el que una llamada de email.utils.parseaddr en user@bad.example.net@good.example.com devuelve la subcadena user@bad.example.net."}], "lastModified": "2019-04-22T17:52:19.167", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:matrix:sydent:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CE553235-44B4-4D67-AF42-EC3F61590182", "versionEndExcluding": "1.0.2"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}