CVE-2010-2020

Published: May 28, 2010Modified: Apr 29, 2026

6.9

Vector

AV:L/AC:M/Au:N/C:C/I:C/A:C

Exploitability: 3.4 / Impact: 10.0

Source: NVD

Description

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.

Affected (5)

Products: Freebsd: Freebsd

1 product

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Freebsd Freebsd	Version 7.2
Freebsd Freebsd	Version 7.2 pre-release
Freebsd Freebsd	Version 7.2 stable
Freebsd Freebsd	Version 8.0
Freebsd Freebsd	Version 8.1-prerelease

Related CWEs

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (8)

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

Source: secteam@freebsd.org

Vendor Advisory

http://securitytracker.com/id?1024039

Source: secteam@freebsd.org

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

Source: secteam@freebsd.org

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

Source: secteam@freebsd.org

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

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

http://securitytracker.com/id?1024039

Source: af854a3a-2127-422b-91ae-364da2661108

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

Source: af854a3a-2127-422b-91ae-364da2661108

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

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.