CVE-2013-3266

critical

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

http://www.securitytracker.com/id/1028491

http://www.freebsd.org/security/advisories/FreeBSD-SA-13:05.nfsserver.asc

http://www.debian.org/security/2013/dsa-2672

http://secunia.com/advisories/53241

Details

Source: Mitre, NVD

Published: 2013-05-02

Updated: 2013-11-25

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical