| Title | 'I Am Admin' Bug Turns WD's My Cloud Boxes Into Everyone's Cloud | |
| Date | Wednesday September 19 2018, @08:40PM | |
| Author | Fnord666 | |
| Topic | ||
| from the you-get-a-cloud-and-you-get-a-cloud-and-... dept. | ||
'I am admin' bug turns WD's My Cloud boxes into Everyone's Cloud:
Miscreants can potentially gain admin-level control over Western Digital's My Cloud gear via an HTTP request over the network or internet.
Researchers at infosec shop Securify revealed today the vulnerability, designated CVE-2018-17153, which allows an unauthenticated attacker with network access to the device to bypass password checks and login with admin privileges.
This would, in turn, give the scumbag full control over the NAS device, including the ability to view and copy all stored data as well as overwrite and erase contents. If the box is accessible from the public internet, it could be remotely pwned, it appears. Alternatively, malware on a PC on the local network could search for and find a vulnerable My Cloud machine, and compromise it.
According to Securify, the flaw itself lies in the way My Cloud creates admin sessions that are attached to an IP address. When an attacker sends a command to the device's web interface, as an HTTP CGI request, they can also include the cookie username=admin – which unlocks admin access.
[...] The team has posted a proof-of-concept exploit showing how the bug could be targeted with a few lines of code.
Securify said it reported the vulnerability to Western Digital back in April, but did not receive a response. Now, some five months later, they are finally disclosing the bug.
Western Digital did not return a Reg request for comment on the matter.
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