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Category:   Application (Generic)  >   Apache OpenOffice Vendors:   OpenOffice.org
(Red Hat Issues Fix for OpenOffice on RH Linux) neon Format String Flaws Let Remote WebDAV Servers Execute Arbitrary Code on Connected Clients
SecurityTracker Alert ID:  1010004
SecurityTracker URL:  http://securitytracker.com/id/1010004
CVE Reference:   CVE-2004-0179   (Links to External Site)
Date:  Apr 30 2004
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 0.24.5
Description:   Some format string vulnerabilities were reported in neon. A remote WebDAV server can execute arbitrary on a connected neon client.

The vendor reported that there are format string flaws in the processing of XML/207 response messages. A remote user can create a WebDAV server and supply specially crafted data to a connected neon client to execute arbitrary code on the connected client.

The vendor credits greuff@void.at with reporting these flaws.

Impact:   A remote WebDAV server can execute arbitrary code on the connected target system with the privileges of the neon client process.
Solution:   Red Hat has released a fix.

Red Hat Linux 9:

SRPMS:
ftp://updates.redhat.com/9/en/os/SRPMS/openoffice-1.0.2-11.src.rpm

i386:
ftp://updates.redhat.com/9/en/os/i386/openoffice-1.0.2-11.i386.rpm
ftp://updates.redhat.com/9/en/os/i386/openoffice-i18n-1.0.2-11.i386.rpm
ftp://updates.redhat.com/9/en/os/i386/openoffice-libs-1.0.2-11.i386.rpm

The verification checksums are:

MD5 sum Package Name

af902345797936b7dad0bf309ff47aac 9/en/os/SRPMS/openoffice-1.0.2-11.src.rpm
e5b3f1bab7554ec921ea8d3d3b6faafa 9/en/os/i386/openoffice-1.0.2-11.i386.rpm
e6a783eb40931756ce3806136e960432 9/en/os/i386/openoffice-i18n-1.0.2-11.i386.rpm
1e8820359aed61e36fb9adbe91aba1a7 9/en/os/i386/openoffice-libs-1.0.2-11.i386.rpm

Vendor URL:  openoffice.org/ (Links to External Site)
Cause:   Input validation error, State error
Underlying OS:  Linux (Red Hat Linux)
Underlying OS Comments:  9

Message History:   This archive entry is a follow-up to the message listed below.
Apr 15 2004 neon Format String Flaws Let Remote WebDAV Servers Execute Arbitrary Code on Connected Clients



 Source Message Contents

Subject:  [RHSA-2004:163-01] Updated OpenOffice packages fix security


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

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

Synopsis:          Updated OpenOffice packages fix security vulnerability in neon
Advisory ID:       RHSA-2004:163-01
Issue date:        2004-04-30
Updated on:        2004-04-30
Product:           Red Hat Linux
Keywords:          
Cross references:  
Obsoletes:         
CVE Names:         CAN-2004-0179
- ---------------------------------------------------------------------

1. Topic:

Updated OpenOffice packages that fix a vulnerability in neon exploitable by
a malicious DAV server are now available.

2. Relevant releases/architectures:

Red Hat Linux 9 - i386

3. Problem description:

OpenOffice.org is an Open Source, community-developed, multi-platform
office productivity suite.  OpenOffice internally uses inbuilt code
from neon, an HTTP and WebDAV client library.

Versions of the neon client library up to and including 0.24.4 have been
found to contain a number of format string bugs.  An attacker could create
a malicious WebDAV server in such a way as to allow arbitrary code
execution on the client should a user connect to it using OpenOffice.  The
Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned
the name CAN-2004-0179 to this issue.

Users of OpenOffice are advised to upgrade to these updated packages, which
contain a patch correcting this issue.

4. Solution:

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

To update all RPMs for your particular architecture, run:

rpm -Fvh [filenames]

where [filenames] is a list of the RPMs you wish to upgrade.  Only those
RPMs which are currently installed will be updated.  Those RPMs which are
not installed but included in the list will not be updated.  Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.

Please note that this update is also available via Red Hat Network.  Many
people find this an easier way to apply updates.  To use Red Hat Network,
launch the Red Hat Update Agent with the following command:

up2date

This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.

If up2date fails to connect to Red Hat Network due to SSL
Certificate Errors, you need to install a version of the
up2date client with an updated certificate.  The latest version of
up2date is available from the Red Hat FTP site and may also be
downloaded directly from the RHN website:

https://rhn.redhat.com/help/latest-up2date.pxt

5. RPMs required:

Red Hat Linux 9:

SRPMS:
ftp://updates.redhat.com/9/en/os/SRPMS/openoffice-1.0.2-11.src.rpm

i386:
ftp://updates.redhat.com/9/en/os/i386/openoffice-1.0.2-11.i386.rpm
ftp://updates.redhat.com/9/en/os/i386/openoffice-i18n-1.0.2-11.i386.rpm
ftp://updates.redhat.com/9/en/os/i386/openoffice-libs-1.0.2-11.i386.rpm



6. Verification:

MD5 sum                          Package Name
- --------------------------------------------------------------------------

af902345797936b7dad0bf309ff47aac 9/en/os/SRPMS/openoffice-1.0.2-11.src.rpm
e5b3f1bab7554ec921ea8d3d3b6faafa 9/en/os/i386/openoffice-1.0.2-11.i386.rpm
e6a783eb40931756ce3806136e960432 9/en/os/i386/openoffice-i18n-1.0.2-11.i386.rpm
1e8820359aed61e36fb9adbe91aba1a7 9/en/os/i386/openoffice-libs-1.0.2-11.i386.rpm

These packages are GPG signed by Red Hat for security.  Our key is
available from https://www.redhat.com/security/team/key.html

You can verify each package with the following command:
    
    rpm --checksig -v <filename>

If you only wish to verify that each package has not been corrupted or
tampered with, examine only the md5sum with the following command:
    
    md5sum <filename>


7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0179

8. Contact:

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

Copyright 2004 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.0.7 (GNU/Linux)

iD8DBQFAkq/LXlSAg2UNWIIRAhUxAJ9r0Q+FjcS7uvIYnNhwWkc0y+BJ/ACfa4M+
KIzsqDAZqFp+MQGKQAd/+wo=
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-----END PGP SIGNATURE-----


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