cve-2019-9949
Vulnerability from cvelistv5
Published
2019-05-23 13:22
Modified
2024-08-04 22:10
Severity ?
Summary
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.
References
cve@mitre.orghttps://bnbdr.github.io/posts/wd/Exploit, Third Party Advisory
cve@mitre.orghttps://community.wd.com/t/new-release-my-cloud-firmware-versions-2-31-183-05-20-2019/237717Vendor Advisory
cve@mitre.orghttps://github.com/bnbdr/wd-rce/Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bnbdr.github.io/posts/wd/Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://community.wd.com/t/new-release-my-cloud-firmware-versions-2-31-183-05-20-2019/237717Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/bnbdr/wd-rce/Exploit, Third Party Advisory
Impacted products
Vendor Product Version
n/a n/a Version: n/a
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saneado.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:C/I:C/A:C\",\"baseScore\":9.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":8.0,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-59\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:westerndigital:my_cloud_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2.31.183\",\"matchCriteriaId\":\"714E5757-A95F-4DDA-AC1A-DCF1B20768FF\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:westerndigital:my_cloud:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3A9EE86B-05EE-4F2E-A912-624DDCF9C41B\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:westerndigital:my_cloud_mirror_gen2_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2.31.183\",\"matchCriteriaId\":\"DFDE3883-5632-402E-B947-9BD0B7A67BDC\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:westerndigital:my_cloud_mirror_gen2:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DC3A412B-F905-4FBC-8536-820AF5162A08\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:westerndigital:my_cloud_ex2_ultra_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2.31.183\",\"matchCriteriaId\":\"A9EAF1C1-12EC-4371-95C7-E47198CD03B9\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:westerndigital:my_cloud_ex2_ultra:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5A581EBA-A1F2-4ABC-8183-29973A46FA43\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:westerndigital:my_cloud_ex2100_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2.31.183\",\"matchCriteriaId\":\"54F52366-4371-430C-BC7A-D471457F7A08\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:westerndigital:my_cloud_ex2100:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"ABBBDC1E-2320-4767-B669-1BB2FFB1E1C4\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:westerndigital:my_cloud_ex4100_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2.31.183\",\"matchCriteriaId\":\"BD78AD7F-716A-4E59-A6F0-715D10D56131\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:westerndigital:my_cloud_ex4100:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B78030F0-6655-4604-9D16-2FA1F3FD52FF\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:westerndigital:my_cloud_dl2100_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2.31.183\",\"matchCriteriaId\":\"1FEBF873-C17B-492B-881F-A06B98232F28\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:westerndigital:my_cloud_dl2100:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9E783EBC-7608-4527-B1AD-9B4E7A7A108C\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:westerndigital:my_cloud_dl4100_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2.31.183\",\"matchCriteriaId\":\"E842104F-6A82-4CD9-A28D-9AC99CCC19E2\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:westerndigital:my_cloud_dl4100:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F3034F4A-239C-4E38-9BD6-217361A7C519\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:westerndigital:my_cloud_pr2100_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2.31.183\",\"matchCriteriaId\":\"CCA43057-A100-4E60-8F77-50ADD6673A97\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:westerndigital:my_cloud_pr2100:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BF58260B-2131-402C-A9DA-67B188136DE1\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:westerndigital:my_cloud_pr4100_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2.31.183\",\"matchCriteriaId\":\"9771E7E5-7F75-4CBB-A100-7178A786A365\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:westerndigital:my_cloud_pr4100:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CB0C2FD9-4792-4DA2-9698-E53109A499EC\"}]}]}],\"references\":[{\"url\":\"https://bnbdr.github.io/posts/wd/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://community.wd.com/t/new-release-my-cloud-firmware-versions-2-31-183-05-20-2019/237717\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://github.com/bnbdr/wd-rce/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://bnbdr.github.io/posts/wd/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://community.wd.com/t/new-release-my-cloud-firmware-versions-2-31-183-05-20-2019/237717\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://github.com/bnbdr/wd-rce/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]}]}}"
  }
}


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