Infoproject Biznis Heroj (login.php) Authentication Bypass Vulnerability Vendor: Infoproject DOO Product web page: http://www.biznisheroj.mk Affected version: Plus, Pro and Extra Summary: Biznis Heroj or Business Hero (èèñ Õåð¼) is the first software on the Macedonian market that will help you manage your business processes in your company, such as accounting, production, acquisition, archiving, inventory, and the Cloud. Using the Cloud technology, Biznis Heroj allows you to access the system from any computer at any time through any internet browser. Desc: The vulnerability is caused due to an error in the logon authentication script (login.php) and can be exploited to bypass the login procedure by defining the 'username' and 'password' POST parameters with an SQL Injection attack, gaining admin privileges. Tested on: Apache, PHP Vulnerability discovered by Gjoko 'LiquidWorm' Krstic liquidworm gmail com Vendor status: [14.12.2011] Vulnerability discovered. [15.12.2011] Contact with the vendor. [20.12.2011] No response from the vendor. [21.12.2011] Public security advisory released. Advisory ID: ZSL-2011-5065 Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2011-5065.php 14.12.2011 --- PoC: https://[TARGET]/login.php Username: ' or 1=1-- Password: ' or 1=1--