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Category:   Application (Generic)  >   nfs-utils Vendors:   nfs.sourceforge.net
nfs-utils on Red Hat Has Missing TCP Wrappers Support Which May Let Remote Users Connect to NFS Systems
SecurityTracker Alert ID:  1020589
SecurityTracker URL:  http://securitytracker.com/id/1020589
CVE Reference:   CVE-2008-1376   (Links to External Site)
Date:  Jul 31 2008
Impact:   Host/resource access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in nfs-utils on Red Hat Enterprise Linux. A remote user may be able to connect to NFS systems.

In nfs-utils as packaged on Red Hat Enterprise Linux 5, support for TCP wrappers is missing. As a result, an administrator may incorrectly believe that access controls are configured when they are not.

Impact:   A remote user can connect to NFS systems.
Solution:   Red Hat has issued a fix.

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/nfs-utils-1.0.9-35z.el5_2.src.rpm

i386:
nfs-utils-1.0.9-35z.el5_2.i386.rpm
nfs-utils-debuginfo-1.0.9-35z.el5_2.i386.rpm

x86_64:
nfs-utils-1.0.9-35z.el5_2.x86_64.rpm
nfs-utils-debuginfo-1.0.9-35z.el5_2.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/nfs-utils-1.0.9-35z.el5_2.src.rpm

i386:
nfs-utils-1.0.9-35z.el5_2.i386.rpm
nfs-utils-debuginfo-1.0.9-35z.el5_2.i386.rpm

ia64:
nfs-utils-1.0.9-35z.el5_2.ia64.rpm
nfs-utils-debuginfo-1.0.9-35z.el5_2.ia64.rpm

ppc:
nfs-utils-1.0.9-35z.el5_2.ppc.rpm
nfs-utils-debuginfo-1.0.9-35z.el5_2.ppc.rpm

s390x:
nfs-utils-1.0.9-35z.el5_2.s390x.rpm
nfs-utils-debuginfo-1.0.9-35z.el5_2.s390x.rpm

x86_64:
nfs-utils-1.0.9-35z.el5_2.x86_64.rpm
nfs-utils-debuginfo-1.0.9-35z.el5_2.x86_64.rpm

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2008-0486.html

Cause:   Configuration error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  Red Hat Enterprise Linux 5 only

Message History:   This archive entry has one or more follow-up message(s) listed below.
May 18 2009 (Red Hat Issues Fix) nfs-utils on Red Hat Has Missing TCP Wrappers Support Which May Let Remote Users Connect to NFS Systems
Red Hat has released a fix for Red Hat Enterprise Linux 4.



 Source Message Contents

Subject:  [RHSA-2008:0486-01] Moderate: nfs-utils security update

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: nfs-utils security update
Advisory ID:       RHSA-2008:0486-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2008-0486.html
Issue date:        2008-07-31
CVE Names:         CVE-2008-1376 
=====================================================================

1. Summary:

An updated nfs-utils package that fixes a security issue is now available
for Red Hat Enterprise Linux 5.

This update has been rated as having moderate security impact by the Red
Hat Security Response Team.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64

3. Description:

The nfs-utils package provides a daemon for the kernel NFS server and
related tools.

A flaw was found in the nfs-utils package build. The nfs-utils package was
missing TCP wrappers support, which could result in an administrator
believing they had access restrictions enabled when they did not.
(CVE-2008-1376)

Users of nfs-utils are advised to upgrade to these updated packages, which
contain a backported patch to resolve this issue.

4. Solution:

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.  

This update is available via Red Hat Network.  Details on how to use 
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/FAQ_58_10188

5. Bugs fixed (http://bugzilla.redhat.com/):

440114 - CVE-2008-1376 RHEL5 nfs-utils is missing tcp_wrappers support

6. Package List:

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/nfs-utils-1.0.9-35z.el5_2.src.rpm

i386:
nfs-utils-1.0.9-35z.el5_2.i386.rpm
nfs-utils-debuginfo-1.0.9-35z.el5_2.i386.rpm

x86_64:
nfs-utils-1.0.9-35z.el5_2.x86_64.rpm
nfs-utils-debuginfo-1.0.9-35z.el5_2.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/nfs-utils-1.0.9-35z.el5_2.src.rpm

i386:
nfs-utils-1.0.9-35z.el5_2.i386.rpm
nfs-utils-debuginfo-1.0.9-35z.el5_2.i386.rpm

ia64:
nfs-utils-1.0.9-35z.el5_2.ia64.rpm
nfs-utils-debuginfo-1.0.9-35z.el5_2.ia64.rpm

ppc:
nfs-utils-1.0.9-35z.el5_2.ppc.rpm
nfs-utils-debuginfo-1.0.9-35z.el5_2.ppc.rpm

s390x:
nfs-utils-1.0.9-35z.el5_2.s390x.rpm
nfs-utils-debuginfo-1.0.9-35z.el5_2.s390x.rpm

x86_64:
nfs-utils-1.0.9-35z.el5_2.x86_64.rpm
nfs-utils-debuginfo-1.0.9-35z.el5_2.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and 
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1376
http://www.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2008 Red Hat, Inc.
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