openSIS 4.5 - 5.3 SQL Injection vulnerability ============================================= Author: Ubani Anthony Balogun <ubani () sas upenn edu> Reported: June 26, 2014 Product Description: - -------------------- openSIS, is a free student information system that rivals costly commercial alternatives in looks, functionality, ease of use and administration Description of Vulnerability: - ----------------------------- The openSIS 4.5 and 5.3 /index.php script suffers from a SQL injection vulnerability that allows a user to modify the original SQL query used for logging in users. System impacted: - ---------------- openSIS versions 4.5 and 5.3 were tested and found to be vulnerable. Impact: - ------- Successfully exploiting this vulnerability will allow a malicious user to bypass authentication and gain access to the system as a privileged user. Mitigating Factors: - ------------------- An exploit to this vulnerability has not yet been developed owing to the complexity of the index.php code base Proof of Concept: - ----------------- 1. Install openSIS 4.5 or 5.3 2. navigate to /index.php 3. Attempt to login with the following credentials: Username: ) or 1=('1 & password: ' 4. A SQL error is shown displaying a modified SQL query Vendor Response: - --------------- Vendor responds issues will not be fixed in versions < 5.3 - -- Ubani Anthony Balogun Information Security and Unix Services University of Pennsylvania School of Arts and Sciences 3600 Market St. Suite 501 Philadelphia, PA 19104