Description
The nfsrvd_readdir function in sys/fs/nfsserver/nfs_nfsdport.c in the new NFS server in FreeBSD 8.0 through 9.1-RELEASE-p3 does not verify that a READDIR request is for a directory node, which allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code by specifying a plain file instead of a directory.
References (4)
Core 4
Core References
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2013/dsa-2672
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/53241
Patch, Vendor Advisory vendor-advisory
x_refsource_freebsd
http://www.freebsd.org/security/advisories/FreeBSD-SA-13:05.nfsserver.asc
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1028491
Scores
EPSS
0.0231
EPSS Percentile
85.0%
Details
CWE
CWE-20
Status
published
Products (6)
freebsd/freebsd
8.0
freebsd/freebsd
8.1
freebsd/freebsd
8.2
freebsd/freebsd
8.3
freebsd/freebsd
9.0
freebsd/freebsd
9.1
Published
May 02, 2013
Tracked Since
Feb 18, 2026