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Category:   Application (Generic)  >   libpng Vendors:   libpng.sourceforge.net
libpng Buffer Overflow in png_formatted_warning() Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1026696
SecurityTracker URL:  http://securitytracker.com/id/1026696
CVE Reference:   CVE-2011-3464   (Links to External Site)
Date:  Feb 16 2012
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.5.4 - 1.5.7
Description:   A vulnerability was reported in libpng. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a specially crafted file that, when loaded by the target user, will trigger a one-bit stack overflow in png_formatted_warning() in 'pngerror.c' and execute arbitrary code on the target system. The code will run with the privileges of the target user or application.

Impact:   A remote user can create a file that, when loaded by the target user or application, will execute arbitrary code on the target system.
Solution:   The vendor has issued a fix (1.5.8).

The vendor's advisory is available at:

http://www.libpng.org/pub/png/libpng.html

Vendor URL:  www.libpng.org/pub/png/libpng.html (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.


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