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UNIRAS Brief - 573/04 - Sun Alert Notification 57652



 
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   UNIRAS (UK Govt CERT) Briefing Notice - 573/04 dated 18.10.04  Time: 15:30  
  UNIRAS is part of NISCC (National Infrastructure Security Co-ordination Centre)
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  UNIRAS material is also available from its website at www.uniras.gov.uk and
         Information about NISCC is available from www.niscc.gov.uk
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Title
=====

Sun Alert Notification 57652 Security Vulnerabilities in libXpm
May Allow a Remote Unprivileged User to Execute Arbitrary Code

Detail
====== 

Security vulnerabilities in the X Pixmap library (libXpm) may allow a
remote unprivileged user the ability to execute arbitrary code with
the privileges of a local user when that local user has loaded a X
Pixmap (Xpm) format image file supplied by an untrusted user.


Sun Alert Notification 57652 Security Vulnerabilities in libXpm
May Allow a Remote Unprivileged User to Execute Arbitrary Code

Product:                libXpm
Publisher:              Sun Microsystems
Operating System:       Solaris 9
                        Linux variants
                        UNIX variants
Impact:                 Execute Arbitrary Code/Commands
Access:                 Remote/Unauthenticated
CVE Names:              CAN-2004-0687

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Sun(sm) Alert Notification

     * Sun Alert ID: 57652
     * Synopsis: Security Vulnerabilities in libXpm May Allow a Remote
       Unprivileged User to Execute Arbitrary Code
     * Category: Security
     * Product: Solaris, Sun Java Desktop System (JDS)
     * BugIDs: 5077952, 5105762
     * Avoidance: T-Patch, Patch
     * State: Engineering Complete
     * Date Released: 15-Oct-2004
     * Date Closed:
     * Date Modified:

1. Impact

   Security vulnerabilities in the X Pixmap library (libXpm) may allow a
   remote unprivileged user the ability to execute arbitrary code with
   the privileges of a local user when that local user has loaded a X
   Pixmap (Xpm) format image file supplied by an untrusted user.

   Note: The X Pixmap library (libXpm) is used to manipulate and display
   small images in X windowing systems.

   These issues are described in the following documents:

     * [2]http://scary.beasts.org/security/CESA-2004-003.txt
     * [3]http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0687

2. Contributing Factors

   These issues can occur in the following releases:

   SPARC Platform

     * Solaris 9

   x86 Platform

     * Solaris 9

   Linux

     * Sun Java Desktop System (JDS) 2003 without the updated RPMs
       (patch-9367)
     * Sun Java Desktop System (JDS) Release 2 without the updated RPMs
       (patch-9367)

   Note: Solaris 8 and earlier versions of Solaris are not affected by
   the described issues.

   These issues only occur on JDS Linux systems with libXpm versions
   XFree86-libs-4.3.0-123 or earlier.

   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, Release 2 -build 10b (GA)
    Assembled 30 March 2004

   To determine the version of libXpm, the following command can be run:

    % rpm -qf /usr/X11R6/lib/libXpm.so.4.11
    XFree86-libs-4.3.0-123

3. Symptoms

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

   Solution Summary [4]Top

4. Relief/Workaround

   Preliminary T-patches are available for the following releases from
   [5]http://sunsolve.sun.com/tpatches:

   SPARC

     * Solaris 9 T-patch T118300-01

   x86 Platform

     * Solaris 9 T-patch T118301-01

5. Resolution

   This issue is addressed in the following releases:

   Linux

     * Sun Java Desktop System (JDS) 2003 with the updated RPMs
       (patch-9367)
     * Sun Java Desktop System (JDS) Release 2 with the updated RPMs
       (patch-9367)

   To download and install the updated RPMs from the update servers
   select the following from the launch bar:

    Launch >> Applications >> System Tools >> Online Update


   For more information on obtaining updates see:

     * [6]http://wwws.sun.com/software/javadesktopsystem/faq.html#5q5
     * [7]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 2000-2004 Sun Microsystems, Inc., 4150 Network Circle, Santa
   Clara, CA 95054 U.S.A. All rights reserved.

References

   1. http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-57652-1#top
   2. http://scary.beasts.org/security/CESA-2004-003.txt
   3. http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0687
   4. http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-57652-1#top
   5. http://sunsolve.sun.com/tpatches
   6. http://wwws.sun.com/software/javadesktopsystem/faq.html#5q5
   7. http://wwws.sun.com/software/javadesktopsystem/faq.html#5q7

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UNIRAS wishes to acknowledge the contributions of Sun Microsystems for the information 
contained in this Briefing. 
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