CVE-2010-2020: Input Validation
First published: Fri May 28 2010(Updated: )
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.
Credit: secteam@freebsd.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FreeBSD FreeBSD | =8.0 | |
| FreeBSD FreeBSD | =8.1-prerelease | |
| FreeBSD FreeBSD | =7.2-pre-release | |
| FreeBSD FreeBSD | =7.2 | |
| FreeBSD FreeBSD | =7.2-stable |
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