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Category:   Application (Generic)  >   Libxml2 Vendors:   xmlsoft.org
(Sun Issues Fix) Libxml2 Integer Overflow in xmlSAX2Characters() May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1021686
SecurityTracker URL:  http://securitytracker.com/id/1021686
CVE Reference:   CVE-2008-4226   (Links to External Site)
Date:  Feb 4 2009
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.7.2 and prior versions
Description:   A vulnerability was reported in Libxml2. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create specially crafted XML content that, when processed by the target application using libxml2, will trigger an integer overflow in the xmlSAX2Characters() function and crash the target application or potentially execute arbitrary code on the target system. The code will run with the privileges of the target application.

The vulnerability resides in 'SAX2.c'.

Drew Yao from Apple Product Security reported this vulnerability.

Impact:   A remote user can create XML content that, when loaded by the target application, may execute arbitrary code on the target system.
Solution:   Sun has issued a fix for OpenSolaris.

Sun is working on a fix for Solaris 9 and 10.

The Sun advisory is available at:

http://sunsolve.sun.com/search/document.do?assetkey=1-66-251406-1

Vendor URL:  xmlsoft.org/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  UNIX (Solaris - SunOS)
Underlying OS Comments:  9, 10, OpenSolaris

Message History:   This archive entry is a follow-up to the message listed below.
Nov 17 2008 Libxml2 Integer Overflow in xmlSAX2Characters() May Let Remote Users Execute Arbitrary Code



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