Path Traversal in eduTrac

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/ )

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

Solution:

Update eduTrac to version 1.1.2.

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

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.

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.