CVE-2013-3266
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.51%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 3.51% probability · 89th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- freebsd/freebsd
- Source
- cve@mitre.org
References
- http://secunia.com/advisories/53241
- http://www.debian.org/security/2013/dsa-2672
- http://www.freebsd.org/security/advisories/FreeBSD-SA-13:05.nfsserver.ascPatch, Vendor Advisory
- http://www.securitytracker.com/id/1028491
- http://secunia.com/advisories/53241
- http://www.debian.org/security/2013/dsa-2672
- http://www.freebsd.org/security/advisories/FreeBSD-SA-13:05.nfsserver.ascPatch, Vendor Advisory
- http://www.securitytracker.com/id/1028491
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.