This Metasploit module exploits authentication bypass (CVE-2018-17153) and command injection (CVE-2016-10108) vulnerabilities in Western Digital MyCloud before 2.30.196 in order to achieve unauthenticated remote code execution as the root user. The module first performs a check to see if the target is WD MyCloud. If so, it attempts to trigger an authentication bypass (CVE-2018-17153) via a crafted GET request to /cgi-bin/network_mgr.cgi. If the server responds as expected, the module assesses the vulnerability status by attempting to exploit a commend injection vulnerability (CVE-2016-10108) in order to print a random string via the echo command. This is done via a crafted POST request to /web/google_analytics.php. If the server is vulnerable, the same command injection vector is leveraged to execute the payload. This module has been successfully tested against Western Digital MyCloud version 2.30.183.
0ce2f1497429d5e02113422d33a5d38d119e0b68b4af0aa04d5b4189b6ef07f8It was discovered that the Western Digital My Cloud is affected by an authentication bypass vulnerability. An unauthenticated attacker can exploit this vulnerability to authenticate as an admin user without needing to provide a password, thereby gaining full control of the My Cloud device. This vulnerability was successfully verified on a Western Digital My Cloud model WDBCTL0020HWT running firmware version 2.30.172. This issue is not limited to the model that was used to find this vulnerability since most of the products in the My Cloud series share the same (vulnerable) code.
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