CWE Code: 20
Vulnerability Type: privilege_escalation
CVSS Score: 6.9
CWE Name:  Improper Input Validation
Summary: sys/nfsclient/nfs_vfsops.c in the nfs client in the kernel in freebsd 7.2 through 8.1-prerelease, when vfs.usermount is enabled, does not validate the length of a certain fhsize parameter, which allows local users to gain privileges via a crafted mount request.
Access Authentication: NONE
Access Complexity: MEDIUM
Access Vector: LOCAL
Impact (C/I/A): COMPLETE/COMPLETE/COMPLETE
Published Date: 2010-05-28
Last Modified Date: 2012-11-06