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Category:   Application (Generic)  >   Apache OpenOffice Vendors:   Apache Software Foundation, OpenOffice.org
(Red Hat Issues Fix) OpenOffice.org WordPerfect Library Memory Error Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1027206
SecurityTracker URL:  http://securitytracker.com/id/1027206
CVE Reference:   CVE-2012-2149   (Links to External Site)
Date:  Jun 26 2012
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.3 and 3.4 Beta; possibly earlier versions
Description:   A vulnerability was reported in OpenOffice.org. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a specially crafted Wordperfect WPD-format document that, when loaded by the target user, will trigger a memory overwrite flaw and execute arbitrary code on the target system. The code will run with the privileges of the target user.

Kestutis Gudinavicius of SEC Consult Unternehmensberatung GmbH reported this vulnerability.

Impact:   A remote user can create a file that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   Red Hat has issued a fix.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2012-1043.html

Vendor URL:  www.openoffice.org/security/cves/CVE-2012-2149.html (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  5

Message History:   This archive entry is a follow-up to the message listed below.
May 16 2012 OpenOffice.org WordPerfect Library Memory Error Lets Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2012:1043-01] Important: libwpd security update

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

Synopsis:          Important: libwpd security update
Advisory ID:       RHSA-2012:1043-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2012-1043.html
Issue date:        2012-06-26
CVE Names:         CVE-2012-2149 
=====================================================================

1. Summary:

Updated libwpd packages that fix one security issue are now available for
Red Hat Enterprise Linux 5.

The Red Hat Security Response Team has rated this update as having
important security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from the
CVE link in the References section.

2. Relevant releases/architectures:

RHEL Desktop Workstation (v. 5 client) - i386, x86_64
RHEL Optional Productivity Applications (v. 5 server) - i386, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64

3. Description:

libwpd is a library for reading and converting Corel WordPerfect Office
documents.

A buffer overflow flaw was found in the way libwpd processed certain
Corel WordPerfect Office documents (.wpd files). An attacker could provide
a specially-crafted .wpd file that, when opened in an application linked
against libwpd, such as OpenOffice.org, would cause the application to
crash or, potentially, execute arbitrary code with the privileges of the
user running the application. (CVE-2012-2149)

All libwpd users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. All running applications
that are linked against libwpd must be restarted for this update to take
effect.

4. Solution:

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

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/knowledge/articles/11258

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

822207 - CVE-2012-2149 libwpd: Memory overwrite flaw by processing certain WordPerfect (WPD) documents

6. Package List:

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/libwpd-0.8.7-3.1.el5_8.src.rpm

i386:
libwpd-0.8.7-3.1.el5_8.i386.rpm
libwpd-debuginfo-0.8.7-3.1.el5_8.i386.rpm
libwpd-tools-0.8.7-3.1.el5_8.i386.rpm

x86_64:
libwpd-0.8.7-3.1.el5_8.i386.rpm
libwpd-0.8.7-3.1.el5_8.x86_64.rpm
libwpd-debuginfo-0.8.7-3.1.el5_8.i386.rpm
libwpd-debuginfo-0.8.7-3.1.el5_8.x86_64.rpm
libwpd-tools-0.8.7-3.1.el5_8.x86_64.rpm

RHEL Desktop Workstation (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/libwpd-0.8.7-3.1.el5_8.src.rpm

i386:
libwpd-debuginfo-0.8.7-3.1.el5_8.i386.rpm
libwpd-devel-0.8.7-3.1.el5_8.i386.rpm

x86_64:
libwpd-debuginfo-0.8.7-3.1.el5_8.i386.rpm
libwpd-debuginfo-0.8.7-3.1.el5_8.x86_64.rpm
libwpd-devel-0.8.7-3.1.el5_8.i386.rpm
libwpd-devel-0.8.7-3.1.el5_8.x86_64.rpm

RHEL Optional Productivity Applications (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/libwpd-0.8.7-3.1.el5_8.src.rpm

i386:
libwpd-0.8.7-3.1.el5_8.i386.rpm
libwpd-debuginfo-0.8.7-3.1.el5_8.i386.rpm
libwpd-devel-0.8.7-3.1.el5_8.i386.rpm
libwpd-tools-0.8.7-3.1.el5_8.i386.rpm

x86_64:
libwpd-0.8.7-3.1.el5_8.i386.rpm
libwpd-0.8.7-3.1.el5_8.x86_64.rpm
libwpd-debuginfo-0.8.7-3.1.el5_8.i386.rpm
libwpd-debuginfo-0.8.7-3.1.el5_8.x86_64.rpm
libwpd-devel-0.8.7-3.1.el5_8.i386.rpm
libwpd-devel-0.8.7-3.1.el5_8.x86_64.rpm
libwpd-tools-0.8.7-3.1.el5_8.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://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2012-2149.html
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2012 Red Hat, Inc.
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