Planex Mini-300PU / Mini100s Cross Site Scripting

`GotGeek Labs  
http://www.gotgeek.com.br/  
  
Planex Mini-300PU & Mini100s Cross-site Scripting Vulnerability  
  
  
  
[+] Description  
  
Mini-300PU:  
The PLANEX Mini-300PU is the greatest network printing solution to both  
USB and Parallel printer ports. It provides 2 USB 2.0 and 1 Parallel printer  
ports, which can work with 3 printers at the same time.  
You could share multiple printers with your network clients in your office  
or at home with different O/S Base, including Windows 2000/XP, Linux, and Mac OS 8.1,  
or even higher: Unix, Netware. PLANEX Mini-300PU Printer Server is your best choice.  
  
Mini100s:  
The Mini100s parallel port print server directly attaches to a printer. The  
print server supports IPP, and even a network beginner can set up the product  
with ease via the supplied configuration utility for Windows "Smart Print Manager 3".  
  
  
  
[+] Information  
  
Title: Planex Mini-300PU & Mini100s Cross-site Scripting Vulnerability  
Shodan Dork: ZOT-PS-39/6.2.0001 -WWW-Authenticate  
ZOT-PS-30/8.3.0013 -WWW-Authenticate  
Advisory: gg-008-2011  
Date: 03-15-2011  
Last update: 03-26-2011  
Link: http://www.gotgeek.com.br/pocs/gg-008-2011.txt  
  
  
  
[+] Vulnerabilities  
  
Stored Cross-site Scripting:  
Web interface from Mini-300PU and Mini100s Print Servers are affected by stored  
cross-site scripting vulnerability because it fails to properly sanitize  
user-supplied input at "NDSContext" field in "NetWare NDS Settings" area.  
An attacker may leverage this issue to execute arbitrary script code  
in the browser of an unsuspecting user in the context of the affected site.  
  
After injecting the XSS code, you need to access Netware status page.  
  
  
Affected Versions:  
  
Planex Mini-300PU Print Server  
Firmware: 6.02.39P (ZOT-PS-39/6.2.0001)  
  
Planex Mini100s Print Server  
Firmware: 8.03.30P 0013 (ZOT-PS-30/8.3.0013)  
8.03.30P 0007 (ZOT-PS-30/8.3.0007)  
  
Other versions may also be vulnerable.  
  
  
  
[+] Proof of Concept/Exploit  
  
XSS:  
http://target/RESTART.HTM?NDSContext=</script><script>alert("xss")</script><script>  
  
and then..  
  
http://target/NETWARE.HTM  
  
  
  
[+] Timeline  
  
24-03-2011: first contact to vendor.  
25-03-2011: support contact response, asking more details.  
27-03-2011: more information sent.  
03-04-2011: no vendor response.  
04-04-2011: advisory published.  
  
  
  
[+] References  
  
http://www.planex.net/product/print/mini-300pu.htm  
http://www.planex.net/product/print/mini100s.htm  
  
  
  
[+] Credits  
  
b0telh0  
`