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Medium severity flaw in QNX Neutrino RTOS
From: Tim Brown <timb () nth-dimension org uk>
Date: Fri, 11 Mar 2011 12:12:33 +0000
I was recently taking a look at the state of play regarding the security of
POSIX runtime linkers and was pointed at the QNX Neutrino RTOS to take a look.
In doing so I noticed a problem relating to the way that it handles
LD_DEBUG_OUTPUT which allows for the creation or overwriting of an arbitrary
file. Moreover the technique by which this can be achieved can be triggered
even where the binary being executed is setUID and is running as another user.
<mailto:timb () nth-dimension org uk>
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- Medium severity flaw in QNX Neutrino RTOS Tim Brown (Mar 11)