QNX Software Systems Ltd.'s Neutrino RTOS (QNX) is a real-time operating
system designed for use in embedded systems. More information is
Local exploitation of a denial of service vulnerability in QNX Software
Systems QNX Realtime Operating System (RTOS) allows attackers to crash
the operating system.
The problem specifically exists when a local user executes the following
echo -e "break *0xb032d59fnrncontncont" | gdb gdb
Executing the above command causes the operating system to become
unresponsive and hang.
Successful exploitation allows local attackers to crash the affected
iDefense has confirmed the existence of this vulnerability in QNX RTOS
version 6.3.0. Version 6.0 was also tested and found to not be
Remove the GNU Debugger (GDB) from affected systems.
The vendor has not responded to communication regarding this issue.
A Mitre Corp. Common Vulnerabilities and Exposures (CVE) number has not
been assigned yet.
12/23/2004 Initial vendor notification
02/07/2006 Public disclosure
The discoverer of this vulnerability wishes to remain anonymous.
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