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Category:   Application (Security)  >   Sun Java System Access Manager Vendors:   Sun
(Sun Issues fix for Sun Java System Access Manager) Libxml2 Integer Overflow in xmlSAX2Characters() May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1022703
SecurityTracker URL:  http://securitytracker.com/id/1022703
CVE Reference:   CVE-2008-4226   (Links to External Site)
Date:  Aug 10 2009
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Libxml2. A remote user can cause arbitrary code to be executed on the target user's system. Sun Java System Access Manager Policy Agent is affected.

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 Sun Java System Access Manager, which is affected by this vulnerability.

* Sun Java System Access Manager Policy Agent 2.2 for Apache 2.0.54 with patch 141243-01 or later
* Sun Java System Access Manager Policy Agent 2.2 for Apache 2.2.9 with patch 141244-01 or later
* Sun Java System Access Manager Policy Agent 2.2 for Domino Server 6.5/7.0/8.0 with patch 141245-01 or later
* Sun Java System Access Manager Policy Agent 2.2 for Microsoft IIS 5.0 with patch 141246-01 or later
* Sun Java System Access Manager Policy Agent 2.2 for Microsoft IIS 6.0 with patch 141247-01 or later
* Sun Java System Access Manager Policy Agent 2.2 for Sun Java System Web Proxy Server 4.0 with patch 141248-01 or later
* Sun Java System Access Manager Policy Agent 2.2 for Sun Java System Web Server 6.1 with patch 141249-01 or later
* Sun Java System Access Manager Policy Agent 2.2 for Sun Java System Web Server 7.0 with patch 141250-01 or later

The Sun advisory is available at:

http://sunsolve.sun.com/search/document.do?assetkey=1-66-265329-1

Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any)

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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