Description
The dupfdopen function in sys/kern/kern_descrip.c in OpenBSD 3.7 and 3.8 allows local users to re-open arbitrary files by using setuid programs to access file descriptors using /dev/fd/.
References (6)
Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_osvdb
http://www.osvdb.org/22231
Patch vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/16144
Patch x_refsource_misc
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.7/common/008_fd.patch
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://securitytracker.com/id?1015437
Patch vendor-advisory
x_refsource_openbsd
http://www.openbsd.org/errata37.html#fd
Patch, Vendor Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/18296
Scores
EPSS
0.0008
EPSS Percentile
22.8%
Details
Status
published
Products (2)
openbsd/openbsd
3.7
openbsd/openbsd
3.8
Published
Jan 06, 2006
Tracked Since
Feb 18, 2026