CVE-2011-4060 Information

Description

The runtime linker in QNX Neutrino RTOS 6.5.0 before Service Pack 1 does not properly clear the LD_DEBUG_OUTPUT and LD_DEBUG environment variables when a program is spawned from a setuid program which allows local users to overwrite files via a symlink attack.

Reference

http://securityreason.com/securityalert/8475 http://www.nth-dimension.org.uk/pub/NDSA20110310.txt.asc http://www.osvdb.org/71784 http://www.qnx.com/developers/articles/rel_5189_46.html http://www.qnx.com/developers/docs/6.5.0_sp1/index.jsp?topic=2Fcom.qnx.doc.momentics_release_notes2Frel_6.5.0_SP1.html http://www.securityfocus.com/archive/1/516958 http://www.securityfocus.com/archive/1/518659 http://www.securityfocus.com/bid/46838