National Cyber Awareness System

Vulnerability Summary for CVE-2010-2020

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: EXPLOIT-DB

Name: 14003

Hyperlink:http://www.exploit-db.com/exploits/14003

External Source: EXPLOIT-DB

Name: 14002

Hyperlink:http://www.exploit-db.com/exploits/14002

External Source: SECTRACK

Name: 1024039

Hyperlink:http://securitytracker.com/id?1024039

External Source: FREEBSD

Name: FreeBSD-SA-10:06

Type: Advisory

Hyperlink:http://security.FreeBSD.org/advisories/FreeBSD-SA-10:06.nfsclient.asc