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                   Red Hat Security Advisory

Synopsis:          Updated lesstif package fixes image vulnerability
Advisory ID:       RHSA-2005:004-01
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2005-004.html
Issue date:        2005-01-12
Updated on:        2005-01-12
Product:           Red Hat Enterprise Linux
CVE Names:         CAN-2004-0687 CAN-2004-0688 CAN-2004-0914
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1. Summary:

An updated lesstif package that fixes flaws in the Xpm library is now
available for Red Hat Enterprise Linux 2.1.

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:

LessTif provides libraries which implement the Motif industry standard
graphical user interface.  

During a source code audit, Chris Evans discovered several stack overflow
flaws and an integer overflow flaw in the libXpm library used to decode XPM
(X PixMap) images. A vulnerable version of this library was found within
Lesstif. An attacker could create a carefully crafted XPM file which would
cause an application to crash or potentially execute arbitrary code if
opened by a victim.  The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the names CAN-2004-0687,CAN-2004-0688, and
CAN-2004-0914 to these issues.

Users of LessTif are advised to upgrade to this erratum package, which
contains backported security patches to the embedded libXpm library.

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/):

135076 - CAN-2004-0687 buffer overflows in libXpm
135079 - CAN-2004-0688 integer overflows in libXpm (CAN-2004-0914)

6. RPMs required:

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

SRPMS:
lesstif-0.93.15-4.AS21.4.src.rpm
59665437349ef5bad3f7b373e1dd6001  lesstif-0.93.15-4.AS21.4.src.rpm

i386:
9c49c91a9d0668505b1218b60705bd56  lesstif-0.93.15-4.AS21.4.i386.rpm
c9b3a89ad94af645dba780da9e3d86bb  lesstif-devel-0.93.15-4.AS21.4.i386.rpm

ia64:
9345984ef75ef4878bffe381e6964647  lesstif-0.93.15-4.AS21.4.ia64.rpm
09670ebdb668df8c2281eea87ce42ce8  lesstif-devel-0.93.15-4.AS21.4.ia64.rpm

Red Hat Linux Advanced Workstation 2.1:

SRPMS:
lesstif-0.93.15-4.AS21.4.src.rpm
59665437349ef5bad3f7b373e1dd6001  lesstif-0.93.15-4.AS21.4.src.rpm

ia64:
9345984ef75ef4878bffe381e6964647  lesstif-0.93.15-4.AS21.4.ia64.rpm
09670ebdb668df8c2281eea87ce42ce8  lesstif-devel-0.93.15-4.AS21.4.ia64.rpm

Red Hat Enterprise Linux ES version 2.1:

SRPMS:
lesstif-0.93.15-4.AS21.4.src.rpm
59665437349ef5bad3f7b373e1dd6001  lesstif-0.93.15-4.AS21.4.src.rpm

i386:
9c49c91a9d0668505b1218b60705bd56  lesstif-0.93.15-4.AS21.4.i386.rpm
c9b3a89ad94af645dba780da9e3d86bb  lesstif-devel-0.93.15-4.AS21.4.i386.rpm

Red Hat Enterprise Linux WS version 2.1:

SRPMS:
lesstif-0.93.15-4.AS21.4.src.rpm
59665437349ef5bad3f7b373e1dd6001  lesstif-0.93.15-4.AS21.4.src.rpm

i386:
9c49c91a9d0668505b1218b60705bd56  lesstif-0.93.15-4.AS21.4.i386.rpm
c9b3a89ad94af645dba780da9e3d86bb  lesstif-devel-0.93.15-4.AS21.4.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-2004-0687
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0688
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0914

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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