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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.securityfocus.com/archive/1/518659 ↗
- http://www.qnx.com/developers/docs/6.5.0_sp1/index.jsp?topic=%2Fcom.qnx.doc.momentics_release_notes%2Frel_6.5.0_SP1.html ↗
- 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.securityfocus.com/bid/46838 ↗
- http://www.securityfocus.com/archive/1/516958 ↗
- http://securityreason.com/securityalert/8475 ↗