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Category:   Application (Security)  >   IBM Security Access Manager Vendors:   IBM
IBM Tivoli Access Manager Input Validation Hole in Web Server Plug-in 'pkmslogout' Script Lets Remote Authenticated Users Traverse the Directory
SecurityTracker Alert ID:  1015582
SecurityTracker URL:  http://securitytracker.com/id/1015582
CVE Reference:   CVE-2006-0513   (Links to External Site)
Date:  Feb 4 2006
Impact:   Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 5.1.0.10, 6.0.0; possibly other versions
Description:   A vulnerability was reported in IBM Tivoli Access Manager in the Tivoli Web Server Plug-in component. A remote authenticated user can traverse the directory.

The 'pkmslogout' script does not properly validate user-supplied input in the 'filename' parameter. A remote authenticated user can supply a specially crafted parameter value containing '../' directory traversal characters to view files on the target system with the privileges of the target web service.

A demonstration exploit URL is provided:

http://[target]/pkmslogout?filename=../../../../../../../etc/passwd

The vendor was notified on December 5, 2005.

Timothy D. Morgan reported this vulnerability.

The original advisory is available at:

http://www.vsecurity.com/bulletins/advisories/2006/tam-file-retrieval.txt

Impact:   A remote authenticated user can view files on the target system with the privileges of the target web service.
Solution:   The vendor has issued the following fix packs for version 5.1.0 and 6.0.

Fixpack 5.1.0-TIV-WPI-FP0017 is available at:

http://www-1.ibm.com/support/docview.wss?uid=swg24011562

Fixpack 6.0.0-TIV-WPI-FP0001 is available at:

http://www-1.ibm.com/support/docview.wss?uid=swg24011561

Vendor URL:  www-1.ibm.com/support/docview.wss?uid=swg24011561 (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Linux (Red Hat Enterprise), Linux (SuSE), UNIX (AIX), UNIX (Solaris - SunOS), Windows (2000), Windows (2003)

Message History:   None.


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