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Path Traversal in eduTrac

Advisory ID:HTB23190
Product:eduTrac
Vendor:7 Media Web Solutions, LLC.
Vulnerable Versions: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 Fix:December 16, 2013
Public Disclosure:January 2, 2014
Latest Update:December 19, 2013
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
 

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/Con fig/constants.php


ImmuniWeb® On-Demand Web Application Penetration Test


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® SaaS - hybrid of manual web application penetration test and cutting-edge vulnerability scanner available online via a Software-as-a-Service (SaaS) model.
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