QNX RTOS 6.3.0 Local Denial of Service Vulnerability iDefense Security Advisory 02.07.06 http://www.idefense.com/intelligence/vulnerabilities/display.php?id=386 February 7, 2006 I. BACKGROUND QNX Software Systems Ltd.'s Neutrino RTOS (QNX) is a real-time operating system designed for use in embedded systems. More information is available at: http://www.qnx.com/products/rtos/ II. DESCRIPTION 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 command: echo -e "break *0xb032d59f\nr\ncont\ncont" | gdb gdb Executing the above command causes the operating system to become unresponsive and hang. III. ANALYSIS Successful exploitation allows local attackers to crash the affected operating system. IV. DETECTION 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 vulnerable. V. WORKAROUND Remove the GNU Debugger (GDB) from affected systems. VI. VENDOR RESPONSE The vendor has not responded to communication regarding this issue. VII. CVE INFORMATION A Mitre Corp. Common Vulnerabilities and Exposures (CVE) number has not been assigned yet. VIII. DISCLOSURE TIMELINE 12/23/2004 Initial vendor notification 02/07/2006 Public disclosure IX. CREDIT The discoverer of this vulnerability wishes to remain anonymous. Get paid for vulnerability research http://www.idefense.com/poi/teams/vcp.jsp Free tools, research and upcoming events http://labs.idefense.com X. LEGAL NOTICES Copyright © 2006 iDefense, Inc. Permission is granted for the redistribution of this alert electronically. It may not be edited in any way without the express written consent of iDefense. If you wish to reprint the whole or any part of this alert in any other medium other than electronically, please email customerservice@private for permission. Disclaimer: The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.
This archive was generated by hypermail 2.1.3 : Wed Feb 08 2006 - 00:49:21 PST