Vulnerability identifier: #VU9873
Vulnerability risk: Medium
CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-352
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
WD My Cloud
Hardware solutions /
Office equipment, IP-phones, print servers
Vendor: Western Digital
Description
The vulnerability allows a remote attacker to perform CSRF attacks.
The vulnerability exists due to improper validation of the request origin when processing HTTP requests to "/web/dsdk/DsdkProxy.php" script. A remote attacker can create a specially crafted website, trick the victim into opening it and delete all files on the system.
Exploitation example:
http://[host]/web/dsdk/DsdkProxy.php?;rm -rf /;
Mitigation
Update to version 2.30.172.
Vulnerable software versions
WD My Cloud: 2.10.302 - 2.30.165
External links
http://support.wdc.com/download/notes/WD_My_Cloud_Firmware_Release_Notes_2.30.172.pdf?v=987
http://gulftech.org/advisories/WDMyCloud%20Multiple%20Vulnerabilities/125
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.