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Category:   Application (Generic)  >   libpng Vendors:   libpng.sourceforge.net
libpng Bug in Processing Zero Length Chunks May Let Remote Users Deny Service or Execute Arbitrary Code
SecurityTracker Alert ID:  1019840
SecurityTracker URL:  http://securitytracker.com/id/1019840
CVE Reference:   CVE-2008-1382   (Links to External Site)
Date:  Apr 14 2008
Impact:   Denial of service via network, Disclosure of user information, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.0.6 and later
Description:   A vulnerability was reported in libpng in the processing of zero length chunks. A remote user can cause arbitrary code to be executed on the target system.

A remote user can create specially crafted data that, when processed by the target application using libpng, may execute arbitrary code on the target system. The vulnerability may also result in incorrect output, information leaks, or crashes.

The vendor was notified on April 5, 2008.

The original advisory is available at:

http://www.ocert.org/advisories/ocert-2008-003.html

Tavis Ormandy reported this vulnerability.

Impact:   A remote user may be able to execute arbitrary code on the target system.
Solution:   The vendor has issued a fixed version (1.2.27beta01). A fix is also planned for versions 1.2.27 and 1.0.33.

The vendor's advisory is available at:

http://libpng.sourceforge.net/Advisory-1.2.26.txt

Vendor URL:  libpng.sourceforge.net/Advisory-1.2.26.txt (Links to External Site)
Cause:   State error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Mar 4 2009 (Red Hat Issues Fix) libpng Bug in Processing Zero Length Chunks May Let Remote Users Deny Service or Execute Arbitrary Code
Red Hat has released a fix for Red Hat Enterprise Linux 2.1, 4, and 5.
May 29 2009 (VMware Issues Fix for ESX Server) libpng Bug in Processing Zero Length Chunks May Let Remote Users Deny Service or Execute Arbitrary Code
VMware has issued a fix for ESX Server 2.5.5.
May 30 2009 (Sun Issues Fix) libpng Bug in Processing Zero Length Chunks May Let Remote Users Deny Service or Execute Arbitrary Code
Sun has issued a fix for Solaris 10 and OpenSolaris.



 Source Message Contents



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