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iXsecurity Security Vulnerability Report
No: iXsecurity.20020316.csadmin_dir.a
========================================
Vulnerability Summary
---------------------
Problem: Cisco Secure ACS webserver has a directory
traversal
issue.
Threat: An attacker could retrieve any html, htm, class,
jpg, jpeg or gif file outside of the webroot.
Affected Software: Cisco Secure ACS 2.6.X and 3.0.1 (build 40).
Platform: Windows NT/2000.
Solution: Install the patch from Cisco.
Vulnerability Description
-------------------------
Cisco Secure ACS has a webserver interface listening on port 2002.
It is possible for a logged in user to read files outside the webdirectory.
After a succesfull login, one could supply eg.
http://<ip>:<dynamicport>/..\..\..\..\..\..
\temp\temp.class to read the
contents
of the file temp.class in the folder temp on the same volume that the
software
is installed.
Solution
--------
Cisco PSIRT can confirm this vulnerability. The Security Advisory
was published and it is at
http://www.cisco.com/warp/public/707/ACS-Win-Web.shtml
Only Cisco ACS for Windows is affected. The Unix version is not
affected by these issues. You can download patches by following
instructions in the Advisory.
Additional Information
----------------------
Cisco was contacted 20020316.
This vulnerability was found and researched by
Jonas Ländin, jonas.landin@ixsecurity.com
Patrik Karlsson, patrik.karlsson@ixsecurity.com
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