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Category:   Application (Generic)  >   libpng Vendors:   libpng.sourceforge.net
libpng Image Height Buffer Overflow May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1011847
SecurityTracker URL:  http://securitytracker.com/id/1011847
CVE Reference:   CAN-2004-0599   (Links to External Site)
Updated:  Nov 4 2004
Original Entry Date:  Oct 21 2004
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A buffer overflow vulnerability was reported in libpng in the processing of images with excessive height. A remote user may be able to execute arbitrary code on the target system.

Debian reported that a specially crafted image may trigger a buffer overflow in png_read_png() in 'pngread.c'.

Impact:   A remote user may be able to execute arbitrary code on a system that uses libpng.
Solution:   Versions 1.0.17 and 1.2.7 include the fix and are available at:

http://sourceforge.net/project/showfiles.php?group_id=5624

[Editor's note: The fix may have been introduced into earlier versions.]

Vendor URL:  libpng.sourceforge.net/ (Links to External Site)
Cause:   Boundary error
Underlying OS:   Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Oct 21 2004 (Debian Issues Fix) libpng Image Height Buffer Overflow May Let Remote Users Execute Arbitrary Code   (joey@infodrom.org (Martin Schulze))
Debian has released a fix.
Oct 21 2004 (Debian Issues Fix for libpng3) libpng Image Height Buffer Overflow May Let Remote Users Execute Arbitrary Code   (joey@infodrom.org (Martin Schulze))
Debian has released a fix for libpng3.



 Source Message Contents

Date:  Thu, 21 Oct 2004 01:54:43 -0400
Subject:  [none]


A buffer overflow vulnerability was reported in libpng.  

The flaw resides in pngread.c.

CVE: CAN-2004-0955
 
 


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