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.
References (8)
Core 8
Core References
Various Sources x_refsource_confirm
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
Various Sources x_refsource_misc
http://www.nth-dimension.org.uk/pub/NDSA20110310.txt.asc
Various Sources x_refsource_confirm
http://www.qnx.com/developers/articles/rel_5189_46.html
Third Party Advisory third-party-advisory
x_refsource_sreason
http://securityreason.com/securityalert/8475
Third Party Advisory, VDB Entry mailing-list
x_refsource_bugtraq
http://www.securityfocus.com/archive/1/518659
Third Party Advisory, VDB Entry vdb-entry
x_refsource_osvdb
http://www.osvdb.org/71784
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/46838
Third Party Advisory, VDB Entry mailing-list
x_refsource_bugtraq
http://www.securityfocus.com/archive/1/516958
Scores
EPSS
0.0030
EPSS Percentile
21.6%
Details
CWE
CWE-59
Status
published
Products (1)
qnx/neutrino_rtos
6.5.0
Published
Oct 18, 2011
Tracked Since
Feb 18, 2026