This script is Copyright (C) 2012-2014 Tenable Network Security, Inc.
The remote Scientific Linux host is missing one or more security
The nfs-utils packages provide a daemon for the kernel Network File
System (NFS) server, and related tools such as the mount.nfs,
umount.nfs, and showmount programs.
A flaw was found in the way nfs-utils performed IP based
authentication of mount requests. In configurations where a directory
was exported to a group of systems using a DNS wildcard or NIS
(Network Information Service) netgroup, an attacker could possibly
gain access to other directories exported to a specific host or
subnet, bypassing intended access restrictions. (CVE-2011-2500)
It was found that the mount.nfs tool did not handle certain errors
correctly when updating the mtab (mounted file systems table) file. A
local attacker could use this flaw to corrupt the mtab file.
This update also fixes several bugs and adds an enhancement.
Users of nfs-utils are advised to upgrade to these updated packages,
which contain backported patches to resolve these issues and add this
enhancement. After installing this update, the nfs service will be
See also :
Update the affected nfs-utils and / or nfs-utils-debuginfo packages.
Risk factor :
High / CVSS Base Score : 7.5
Family: Scientific Linux Local Security Checks
Nessus Plugin ID: 61193 ()
CVE ID: CVE-2011-1749CVE-2011-2500
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