Path Traversal in eduTrac

[High-Tech Bridge Security Research <advisory@xxxxxxxxxxxx>]

Advisory ID: HTB23190
Product: eduTrac
Vendor: 7 Media Web Solutions, LLC.
Vulnerable Version(s): 1.1.1-Stable and probably prior
Tested Version: 1.1.1-Stable
Advisory Publication:  December 11, 2013  [without technical details]
Vendor Notification: December 11, 2013 
Vendor Patch: December 16, 2013 
Public Disclosure: January 2, 2014 
Vulnerability Type: Path Traversal [CWE-22]
CVE Reference: CVE-2013-7097
Risk Level: Medium 
CVSSv2 Base Score: 5 (AV:N/AC:L/Au:N/C:P/I:N/A:N)
Solution Status: Fixed by Vendor
Discovered and Provided: High-Tech Bridge Security Research Lab ( 
https://www.htbridge.com/advisory/ ) 

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Advisory Details:

High-Tech Bridge Security Research Lab discovered path traversal vulnerability 
in eduTrac which can be exploited to read arbitrary files on vulnerable system 
with privileges of web server.


1) Path Traversal in eduTrac: CVE-2013-7097

The vulnerability exists due to insufficient filtration of "showmask" HTTP GET 
parameter passed to "/installer/overview.php" script before using it in PHP 
"file_get_contents()" function. A remote attacker can read contents of 
arbitrary files on the target system.

The exploitation example below reads the "/eduTrac/Config/constants.php" file 
that contains database login credentials:

http://[host]/installer/overview.php?step=writeconfig&showmask=../../eduTrac/Config/constants.php


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Solution:

Update eduTrac to version 1.1.2.

More Information:
http://sourceforge.net/projects/edutrac/files/

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References:

[1] High-Tech Bridge Advisory HTB23190 - 
https://www.htbridge.com/advisory/HTB23190 - Path Traversal in eduTrac.
[2] eduTrac - http://www.7mediaws.org/ - eduTrac is a student information 
system (SIS) for educational institutions to manage faculty, staff, students, 
courses, registrations, enrollment, and more.
[3] Common Vulnerabilities and Exposures (CVE) - http://cve.mitre.org/ - 
international in scope and free for public use, CVE® is a dictionary of 
publicly known information security vulnerabilities and exposures.
[4] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to 
developers and security practitioners, CWE is a formal list of software 
weakness types.
[5] ImmuniWeb® - http://www.htbridge.com/immuniweb/ - is High-Tech Bridge's 
proprietary web application security assessment solution with SaaS delivery 
model that combines manual and automated vulnerability testing.

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Disclaimer: The information provided in this Advisory is provided "as is" and 
without any warranty of any kind. Details of this Advisory may be updated in 
order to provide as accurate information as possible. The latest version of the 
Advisory is available on web page [1] in the References.