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AUSCERT External Security Bulletin Redistribution
ESB-2004.0636 -- Sun Alert Notification 57653
libXpm Security Vulnerabilities Affect the Motif Library (libXm)
11 October 2004
AusCERT Security Bulletin Summary
Product: Solaris Common Desktop Environment (CDE), Sun Java Desktop System (JDS)
Publisher: Sun Microsystems
Operating System: Sun Java Desktop System (JDS)
Impact: Execute Arbitrary Code/Commands
CVE Names: CAN-2004-0688 CAN-2004-0687
Original Bulletin URL: http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-57653-1
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Sun(sm) Alert Notification
* Sun Alert ID: 57653
* Synopsis: libXpm Security Vulnerabilities Affect the Motif Library
* Category: Security
* Product: Solaris Common Desktop Environment (CDE), Sun Java
Desktop System (JDS)
* BugIDs: 5086486, 6175145
* Avoidance: Patch, Workaround
* State: Committed
* Date Released: 08-Oct-2004
* Date Closed:
* Date Modified:
Several security vulnerabilities have been reported in the X Pixmap
(libXpm) library which also affect the Motif library (libXm) shipped
with Solaris and JDS for Linux since libXm includes the affected
libXpm routines. These security vulnerabilities may allow a remote
unprivileged user to execute arbitrary code with the privileges of a
local user if that user loads an X Pixmap (.xpm) format image file
from an untrusted source with an application that is linked with the
Motif library (libXm).
Note: The Motif library (libXm) can be used to manipulate and display
small images in Motif applications.
This issue is also described in the following documents:
Chris Evans Security Advisory (CESA) 2004.003 at
2. Contributing Factors
This issue can occur in the following releases:
* Solaris 7
* Solaris 8
* Solaris 9
* Solaris 7
* Solaris 8
* Solaris 9
* Sun Java Desktop System (JDS) 2003 without the updated RPMs
* Sun Java Desktop System (JDS) Release 2 without the updated RPMs
1. JDS for Solaris is not impacted by this issue.
2. This issue only occurs with Open Motif versions
openmotif-2.2.2-502 or earlier.
To determine if a Solaris application is linked with the libXm
library, the ldd(1) can be utilized. For example:
$ ldd /usr/dt/bin/uil | grep libXm.so
libXm.so.4 => /usr/dt/lib/libXm.so.4
To determine if a Linux application is linked with the libXm library,
the ldd(1) utility can be utilized. For example:
$ ldd /usr/X11R6/bin/uil | grep libXm
libXm.so.3 => /usr/X11R6/lib/libXm.so.3 (0x40033000)
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 Open Motif, the following command can be
% rpm -qf /usr/X11R6/lib/libXm.so.3
There are no predictable symptoms that would indicate the described
issue has been exploited.
Solution Summary Top
To work around the described issue, do not load X PixMap (.xmp) images
from untrusted sources.
This issue is resolved in the following releases:
* Sun Java Desktop System (JDS) 2003 with the updated RPMs
* Sun Java Desktop System (JDS) Release 2 with the updated RPMs
To download and install the updated RPMs from the update servers,
select the following from the "launch" bar:
Launch >> Applications >> System Tools >> Online Update
A final resolution for the Solaris Platforms 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
notification may only be used for the purposes contemplated by these
Copyright 2000-2004 Sun Microsystems, Inc., 4150 Network Circle, Santa
Clara, CA 95054 U.S.A. All rights reserved.
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