{"id": "CVE-2019-9949", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 9.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "authentication": "SINGLE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2019-05-23T14:29:08.000", "references": [{"url": "https://bnbdr.github.io/posts/wd/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://community.wd.com/t/new-release-my-cloud-firmware-versions-2-31-183-05-20-2019/237717", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/bnbdr/wd-rce/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-59"}]}], "descriptions": [{"lang": "en", "value": "Western Digital My Cloud Cloud, Mirror Gen2, EX2 Ultra, EX2100, EX4100, DL2100, DL4100, PR2100 and PR4100 before firmware 2.31.183 are affected by a code execution (as root, starting from a low-privilege user session) vulnerability. The cgi-bin/webfile_mgr.cgi file allows arbitrary file write by abusing symlinks. Specifically, this occurs by uploading a tar archive that contains a symbolic link, then uploading another archive that writes a file to the link using the \"cgi_untar\" command. Other commands might also be susceptible. Code can be executed because the \"name\" parameter passed to the cgi_unzip command is not sanitized."}, {"lang": "es", "value": "Western Digital My Cloud Cloud, Mirror Gen2, EX2 Ultra, EX2100, EX4100, DL2100, DL4100, PR2100 y PR4100 antes del firmware versi\u00f3n 2.31.183 se ven afectados por una ejecuci\u00f3n de c\u00f3digo (as root, starting from a low-privilege user session). El archivo cgi-bin/webfile_mgr.cgi permite la escritura arbitraria de archivos al abusar de los symlinks. Espec\u00edficamente, esto ocurre al cargar un archivo \"tar\" que contiene un enlace simb\u00f3lico, y despu\u00e9s cargar otro archivo que escribe un archivo en el enlace usando el comando \"cgi_untar\". Otros comandos tambi\u00e9n pueden ser susceptibles. El c\u00f3digo puede ser ejecutado porque el par\u00e1metro \"nombre\" pas\u00f3 hacia el comando cgi_unzip sin estar saneado."}], "lastModified": "2019-05-29T01:08:48.260", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:westerndigital:my_cloud_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "714E5757-A95F-4DDA-AC1A-DCF1B20768FF", "versionEndExcluding": "2.31.183"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:westerndigital:my_cloud:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "3A9EE86B-05EE-4F2E-A912-624DDCF9C41B"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:westerndigital:my_cloud_mirror_gen2_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DFDE3883-5632-402E-B947-9BD0B7A67BDC", "versionEndExcluding": "2.31.183"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:westerndigital:my_cloud_mirror_gen2:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "DC3A412B-F905-4FBC-8536-820AF5162A08"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:westerndigital:my_cloud_ex2_ultra_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A9EAF1C1-12EC-4371-95C7-E47198CD03B9", "versionEndExcluding": "2.31.183"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:westerndigital:my_cloud_ex2_ultra:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "5A581EBA-A1F2-4ABC-8183-29973A46FA43"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:westerndigital:my_cloud_ex2100_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "54F52366-4371-430C-BC7A-D471457F7A08", "versionEndExcluding": "2.31.183"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:westerndigital:my_cloud_ex2100:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "ABBBDC1E-2320-4767-B669-1BB2FFB1E1C4"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:westerndigital:my_cloud_ex4100_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BD78AD7F-716A-4E59-A6F0-715D10D56131", "versionEndExcluding": "2.31.183"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:westerndigital:my_cloud_ex4100:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "B78030F0-6655-4604-9D16-2FA1F3FD52FF"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:westerndigital:my_cloud_dl2100_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1FEBF873-C17B-492B-881F-A06B98232F28", "versionEndExcluding": "2.31.183"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:westerndigital:my_cloud_dl2100:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "9E783EBC-7608-4527-B1AD-9B4E7A7A108C"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:westerndigital:my_cloud_dl4100_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E842104F-6A82-4CD9-A28D-9AC99CCC19E2", "versionEndExcluding": "2.31.183"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:westerndigital:my_cloud_dl4100:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F3034F4A-239C-4E38-9BD6-217361A7C519"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:westerndigital:my_cloud_pr2100_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CCA43057-A100-4E60-8F77-50ADD6673A97", "versionEndExcluding": "2.31.183"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:westerndigital:my_cloud_pr2100:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "BF58260B-2131-402C-A9DA-67B188136DE1"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:westerndigital:my_cloud_pr4100_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9771E7E5-7F75-4CBB-A100-7178A786A365", "versionEndExcluding": "2.31.183"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:westerndigital:my_cloud_pr4100:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "CB0C2FD9-4792-4DA2-9698-E53109A499EC"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}
