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Category:   Application (Generic)  >   Rpc.statd Vendors:   [Multiple Authors/Vendors]
(Red Hat Issues Fix) rpc.statd SIGPIPE Error Lets Remote Users Shutdown the Process
SecurityTracker Alert ID:  1012871
SecurityTracker URL:  http://securitytracker.com/id/1012871
CVE Reference:   CVE-2004-1014   (Links to External Site)
Date:  Jan 13 2005
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in 'rpc.statd'. A remote user can cause denial of service conditions.

Several vendors reported a vulnerability in the NFS statd server. The rpc.statd process does not ignore the SIGPIPE signal. As a result, a remote process can prematurely terminate the TCP connection to trigger the signal and cause the process to shutdown.

SGI developers are credited with discovering this flaw.

Impact:   A remote user can cause 'rpc.statd' to shutdown.
Solution:   Red Hat has released a fix.

Red Hat Enterprise Linux AS (Advanced Server) version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/nfs-utils-0.3.3-11.src.rpm
9553612895ebfaa51e95f6ca30917ae3 nfs-utils-0.3.3-11.src.rpm

i386:
b5e37053bfa2a629ad89cf8aa55fdd81 nfs-utils-0.3.3-11.i386.rpm

ia64:
1acfa8622a1a9a98f676e8d5e8ada932 nfs-utils-0.3.3-11.ia64.rpm

Red Hat Linux Advanced Workstation 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/nfs-utils-0.3.3-11.src.rpm
9553612895ebfaa51e95f6ca30917ae3 nfs-utils-0.3.3-11.src.rpm

ia64:
1acfa8622a1a9a98f676e8d5e8ada932 nfs-utils-0.3.3-11.ia64.rpm

Red Hat Enterprise Linux ES version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/nfs-utils-0.3.3-11.src.rpm
9553612895ebfaa51e95f6ca30917ae3 nfs-utils-0.3.3-11.src.rpm

i386:
b5e37053bfa2a629ad89cf8aa55fdd81 nfs-utils-0.3.3-11.i386.rpm

Red Hat Enterprise Linux WS version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1WS/en/os/SRPMS/nfs-utils-0.3.3-11.src.rpm
9553612895ebfaa51e95f6ca30917ae3 nfs-utils-0.3.3-11.src.rpm

i386:
b5e37053bfa2a629ad89cf8aa55fdd81 nfs-utils-0.3.3-11.i386.rpm

Cause:   State error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  2.1

Message History:   This archive entry is a follow-up to the message listed below.
Dec 7 2004 rpc.statd SIGPIPE Error Lets Remote Users Shutdown the Process



 Source Message Contents

Subject:  [RHSA-2005:014-01] Updated nfs-utils package fixes security


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

- ---------------------------------------------------------------------
                   Red Hat Security Advisory

Synopsis:          Updated nfs-utils package fixes security vulnerabilities
Advisory ID:       RHSA-2005:014-01
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2005-014.html
Issue date:        2005-01-12
Updated on:        2005-01-12
Product:           Red Hat Enterprise Linux
CVE Names:         CAN-2004-1014 CAN-2004-0946
- ---------------------------------------------------------------------

1. Summary:

An updated nfs-utils package that fixes various security issues is now
available.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS (Advanced Server) version 2.1 - i386, ia64
Red Hat Linux Advanced Workstation 2.1 - ia64
Red Hat Enterprise Linux ES version 2.1 - i386
Red Hat Enterprise Linux WS version 2.1 - i386

3. Problem description:

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

SGI reported that the statd daemon did not properly handle the SIGPIPE
signal.  A misconfigured or malicious peer could cause statd to crash,
leading to a denial of service.  The Common Vulnerabilities and Exposures
project (cve.mitre.org) has assigned the name CAN-2004-1014 to this issue.

Arjan van de Ven discovered a buffer overflow in rquotad.  On 64-bit
architectures, an improper integer conversion can lead to a buffer
overflow.  An attacker with access to an NFS share could send a specially
crafted request which could lead to the execution of arbitrary code.  The
Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned
the name CAN-2004-0946 to this issue.

All users of nfs-utils should upgrade to this updated package, which
resolves these issues.

4. Solution:

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.  Use Red Hat
Network to download and update your packages.  To launch the Red Hat
Update Agent, use the following command:

    up2date

For information on how to install packages manually, refer to the
following Web page for the System Administration or Customization
guide specific to your system:

    http://www.redhat.com/docs/manuals/enterprise/

5. Bug IDs fixed (http://bugzilla.redhat.com/):

144652 - CAN-2004-1014 DoS in statd
138063 - CAN-2004-0946 buffer overflow in rquotad

6. RPMs required:

Red Hat Enterprise Linux AS (Advanced Server) version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/nfs-utils-0.3.3-11.src.rpm
9553612895ebfaa51e95f6ca30917ae3  nfs-utils-0.3.3-11.src.rpm

i386:
b5e37053bfa2a629ad89cf8aa55fdd81  nfs-utils-0.3.3-11.i386.rpm

ia64:
1acfa8622a1a9a98f676e8d5e8ada932  nfs-utils-0.3.3-11.ia64.rpm

Red Hat Linux Advanced Workstation 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/nfs-utils-0.3.3-11.src.rpm
9553612895ebfaa51e95f6ca30917ae3  nfs-utils-0.3.3-11.src.rpm

ia64:
1acfa8622a1a9a98f676e8d5e8ada932  nfs-utils-0.3.3-11.ia64.rpm

Red Hat Enterprise Linux ES version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/nfs-utils-0.3.3-11.src.rpm
9553612895ebfaa51e95f6ca30917ae3  nfs-utils-0.3.3-11.src.rpm

i386:
b5e37053bfa2a629ad89cf8aa55fdd81  nfs-utils-0.3.3-11.i386.rpm

Red Hat Enterprise Linux WS version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1WS/en/os/SRPMS/nfs-utils-0.3.3-11.src.rpm
9553612895ebfaa51e95f6ca30917ae3  nfs-utils-0.3.3-11.src.rpm

i386:
b5e37053bfa2a629ad89cf8aa55fdd81  nfs-utils-0.3.3-11.i386.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=CAN-2004-1014
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0946

8. Contact:

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

Copyright 2005 Red Hat, Inc.

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