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             AUSCERT External Security Bulletin Redistribution

              ESB-2005.0478 -- Sun Alert Notification 101776
Security Vulnerabilities in The " libgdk_pixbuf" Library May Allow a Remote
          Unprivileged User the ability to Execute Arbitrary Code
                               27 June 2005

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           GNOME 2.0 Desktop
                   Sun Java Desktop System 2003
Publisher:         Sun Microsystems
Operating System:  Solaris 9
                   Solaris 8
                   Linux variants
Impact:            Execute Arbitrary Code/Commands
Access:            Remote/Unauthenticated
CVE Names:         CAN-2004-0783 CAN-2004-0782

Ref:               ESB-2004.0574

Original Bulletin: http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-101776-1

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Sun(sm) Alert Notification
     * Sun Alert ID: 101776
     * Synopsis: Security Vulnerabilities in The " libgdk_pixbuf" Library
       May Allow a Remote Unprivileged User the ability to Execute
       Arbitrary Code
     * Category: Security
     * Product: GNOME 2.0 Desktop, Sun Java Desktop System 2003
     * BugIDs: 5103573
     * Avoidance: Patch, Workaround
     * State: Workaround
     * Date Released: 23-Jun-2005
     * Date Closed: 
     * Date Modified: 

1. Impact

   Due to multiple security vulnerabilities in the libgdk_pixbuf library,
   a remote unprivileged user may be able to execute arbitrary code with
   the privileges of a local user when that local user has loaded an
   XPixmap (Xpm) format image file supplied by an untrusted user.

   The libgdk_pixbuf library is part of the GIMP Toolkit (GTK+) and is
   used for loading and rendering images.

   These issues are described in the following documents:
     * http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0782
     * http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0783

2. Contributing Factors

   These issues can occur in the following releases:

   SPARC Platform:
     * GNOME 2.0 (for Solaris 8) without patch 114644-03
     * GNOME 2.0 (for Solaris 9) without patch 114686-03
     * GNOME 2.0.2 (for Solaris 9)without patch 115738-04

   x86 Platform
     * GNOME 2.0 (for Solaris 8) without patch 114645-03
     * GNOME 2.0 (for Solaris 9) without patch 114687-03
     * GNOME 2.0.2 (for Solaris 9)
     * Solaris 9 with JDS release 2 installed

   Linux
     * Sun Java Desktop System (JDS) 2003 without the updated RPMs
       (patch-118903-01)
     * Sun Java Desktop System (JDS) Release 2 without the updated RPMs
       (patch-118905-01)

   Note: Solaris 10 is not affected by these issues.

   To determine the version of GNOME that is currently installed on the
   system, the following command can be run (output will vary by
   platform):
    % grep description /usr/share/gnome/gnome-about/gnome-version.xml
    <description>fcs-10b</description> for GNOME 2.0 releases
    <description>2.0.0_patch-us2</description>

   Alternatively (for the same results), in a terminal window from within
   the GNOME desktop, the following command can be run:
    % /usr/bin/gnome-about

   To determine the release of JDS for Linux installed on a system, the
   following command can be run:
    % cat /etc/sun-release
    Sun Java Desktop System - 2003

   To determine if JDS release 2 is installed on a Solaris 9 system, the
   following command can be run:
    % grep distributor-version /usr/share/gnome-about/gnome-version.xml
    <distributor-version>Sun Java Desktop System, Release 2</distributor-versio
n>

   To determine the version of GTK on JDS for Linux systems, run the
   following command:
    % rpm -qf /usr/lib/gtk-2.0/2.2.0/loaders/libpixbufloader-xpm.so
    gtk2-2.2.2-30


3. Symptoms

   There are no reliable symptoms that would indicate the described
   issues have been exploited. 

4. Relief/Workaround

   To work around the described issues, do not load XPixmap (Xpm) images
   from untrusted sources.

5. Resolution

   These issues are addressed in the following releases:

   SPARC Platform
     * GNOME 2.0 (for Solaris 8) with patch 114644-03 or later
     * GNOME 2.0 (for Solaris 9) with patch 114686-03 or later
     * GNOME 2.0.2 (for Solaris 9)with patch 115738-04 or later

   x86 Platform
     * GNOME 2.0 (for Solaris 8) with patch 114645-03 or later
     * GNOME 2.0 (for Solaris 9) with patch 114687-03 or later

   Linux
     * Sun Java Desktop System (JDS) 2003 with the updated RPMs
       (patch-118903-01)
     * Sun Java Desktop System (JDS) Release 2 with the updated RPMs
       (patch-118905-01)

   To download and install the updated RPMs from the update servers,
   select the following sequence from the "launch" bar:
    Launch >> Applications >> System Tools >> Online Update

   For more information on obtaining RPM updates, see:
     * http://wwws.sun.com/software/javadesktopsystem/faq.html#5q5
     * http://wwws.sun.com/software/javadesktopsystem/faq.html#5q7

   A final resolution is pending completion.

   This Sun Alert notification is being provided to you on an "AS IS"
   basis. This Sun Alert notification may contain information provided by
   third parties. The issues described in this Sun Alert notification may
   or may not impact your system(s). Sun makes no representations,
   warranties, or guarantees as to the information contained herein. ANY
   AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
   WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
   NON-INFRINGEMENT, ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT
   YOU ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT,
   INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE
   OUT OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN.
   This Sun Alert notification contains Sun proprietary and confidential
   information. It is being provided to you pursuant to the provisions of
   your agreement to purchase services from Sun, or, if you do not have
   such an agreement, the Sun.com Terms of Use. This Sun Alert
   notification may only be used for the purposes contemplated by these
   agreements.

   Copyright 2000-2005 Sun Microsystems, Inc., 4150 Network Circle, Santa
   Clara, CA 95054 U.S.A. All rights reserved

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