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Category:   Application (Generic)  >   Sun Java Desktop System (JDS) Vendors:   Sun
(Sun Issues Fix for Java Desktop System) libXpm Integer and Stack Overflows May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1011745
SecurityTracker URL:
CVE Reference:   CVE-2004-0687, CVE-2004-0688   (Links to External Site)
Date:  Oct 16 2004
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2003, Release 2
Description:   Some vulnerabilities were reported in libXpm. A remote user may be able to execute arbitrary code on applications that use libXpm. Sun Java Desktop System is affected.

The vendor reported that there are some integer overflows [CVE: CVE-2004-0687] and stack overflows [CVE: CVE-2004-0688] in the libXpm X Pixmap library, shipped as part of the X Window System.

A stack overflow is reported in xpmParseColors() in 'parse.c' that can be triggered by a specially crafted XPMv1 and XPMv2/3 file. A demonstration exploit file is available at:

A stack overflow is reported in the reading of pixel values in the ParseAndPutPixels() function in 'create.c' and in the ParsePixels() function in 'parse.c'. A demonstration exploit file is available at:

An integer overflow is reported in the colorTable allocation in xpmParseColors() in 'parse.c'. The XpmCreateImageFromXpmImage, CreateXImage, ParsePixels, ParseAndPutPixels, and ParsePixels are affected.

The vendor credits Chris Evans with reporting these flaws. The advisory from Chris Evans is available at:

Impact:   A remote user can create a specially crafted image file that, when processed by an application using libXpm, will execute arbitrary code on the target system with the privileges of the target application.
Solution:   The following fix is available for Sun Java Desktop System:


* 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)

For more information on obtaining updates see:


Vendor URL: (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any)

Message History:   This archive entry is a follow-up to the message listed below.
Sep 16 2004 libXpm Integer and Stack Overflows May Let Remote Users Execute Arbitrary Code

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