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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 xmlBufferResize() Lets Remote Users Deny Service
SecurityTracker Alert ID:  1022702
SecurityTracker URL:  http://securitytracker.com/id/1022702
CVE Reference:   CVE-2008-4225   (Links to External Site)
Date:  Aug 10 2009
Impact:   Denial of service via network, 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 denial of service conditions. Sun Java System Access Manager Policy Agent is affected.

A remote user can create specially crafted XML that, when loaded by the target application using libxml2, will trigger an integer overflow in the xmlBufferResize() function and cause the application to enter an infinite loop.

The vulnerability resides in 'tree.c'.

Drew Yao of Apple Product Security reported this vulnerability.

Impact:   A remote user can cause denial of service conditions.
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, State 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 xmlBufferResize() Lets Remote Users Deny Service



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