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.
https://exchange.xforce.ibmcloud.com/vulnerabilities/24560
http://www.vupen.com/english/advisories/2006/0474
http://www.securityfocus.com/bid/16539
http://www.idefense.com/intelligence/vulnerabilities/display.php?id=379