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Category:   Application (Generic)  >   Fujitsu Interstage Vendors:   Fujitsu
(Fujitsu Issues Fix for Interstage) Tomcat UTF-8 'AllowLinking' Java Bug Lets Remote Users Traverse the Directory
SecurityTracker Alert ID:  1024599
SecurityTracker URL:  http://securitytracker.com/id/1024599
CVE Reference:   CVE-2008-2938   (Links to External Site)
Date:  Oct 18 2010
Impact:   Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  

Description:   A vulnerability was reported in Tomcat. A remote user can view files on the target system. Interstage Application Server is affected.

A remote user can supply a specially crafted request to view files on target system that are located outside of the document directory.

If a context is configured with allowLinking="true" and the connector is configured with URIEncoding="UTF-8", the system may be vulnerable.

A demonstration exploit URL is provided:

http://[target]/%c0%ae%c0%ae/%c0%ae%c0%ae/%c0%ae%c0%ae/foo/bar


Impact:   A remote user can view files on the target system.
Solution:   Fujitsu has issued a fix for Interstage Application Server, which is affected by this vulnerability.

The Fujitsu advisory is available at:

http://www.fujitsu.com/global/support/software/security/products-f/interstage-201003e.html

Cause:   Input validation error
Underlying OS:  Linux (Red Hat Enterprise), UNIX (Solaris - SunOS), Windows (Any)

Message History:   This archive entry is a follow-up to the message listed below.
Aug 12 2008 Tomcat UTF-8 'AllowLinking' Java Bug Lets Remote Users Traverse the Directory



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