QNX Neutrino RTOS crttrap privilege elevation

qnx-crttrap-privilege-elevation (24560) The risk level is classified as HighHigh Risk

Description:

QNX Neutrino RTOS could allow a local attacker to gain elevated privileges on the system, caused by a vulnerability in the crttrap command. An attacker could modify the LD_LIBRARY_PATH environment variable to cause the crttrap command to load malicious attacker-supplied libraries, allowing the attacker to gain root privileges on the system.

Note: The system must be in text mode in order for this vulnerability to be exploited.

Platforms Affected:

  • QNX, QNX Neutrino RTOS 6.2.1

Remedy:

No remedy available as of July 4, 2009.

Consequences:

Gain Privileges

References:

  • iDEFENSE Security Advisory 02.07.06, QNX Neutrino RTOS crttrap Arbitrary Library Loading Vulnerability at http://www.idefense.com/intelligence/vulnerabilities/display.php?id=379.
  • QNX Software System Web site, QNX Realtime Operating System Overview at http://www.qnx.com/products/rtos/.
  • BID-16539: QNX Multiple Local Privilege Escalation and Denial Of Service Vulnerabilities
  • CVE-2005-1528: Untrusted search path vulnerability in the crttrap command in QNX Neutrino RTOS 6.2.1 allows local users to load arbitrary libraries via a LD_LIBRARY_PATH environment variable that references a malicious library.
  • SA18750: QNX Neutrino RTOS Multiple Privilege Escalation Vulnerabilities
  • SECTRACK ID: 1015599: QNX Neutrino RTOS Multiple Bugs Let Local Users Gain Elevated Privileges
  • VUPEN/ADV-2006-0474: QNX Neutrino RTOS Multiple Local Privilege Escalation Vulnerabilities

Reported:

Feb 07, 2006

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