Nusiorung CMS 2016 SQL Injection
Posted on 27 July 2016
Document Title: =============== Nusiorung CMS 2016 - (Login) Auth Bypass Vulnerability References (Source): ==================== http://www.vulnerability-lab.com/get_content.php?id=1875 Release Date: ============= 2016-07-13 Vulnerability Laboratory ID (VL-ID): ==================================== 1875 Common Vulnerability Scoring System: ==================================== 7.6 Abstract Advisory Information: ============================== An independent vulnerability laboratory researcher discovered a login auth bypass web vulnerability in the official Nusiorung CMS 2016. Vulnerability Disclosure Timeline: ================================== 2016-07-13: Public Disclosure (Vulnerability Laboratory) Discovery Status: ================= Published Exploitation Technique: ======================= Remote Severity Level: =============== High Technical Details & Description: ================================ An auth bypass web vulnerability has been discovered in the official Nusiorung content management system 2016. The vulnerability allows remote attackers to bypass the authentication mechanism of the web-application to compromise. The vulnerability is located in the username and password input fields of the admin login module. Remote attackers are able to perform malicious POST method requests to unauthorized login to the administrator panel. The vulnerability is a classic login auth bypass issue. The attack vector is located to the application-side and the request method to inject is POST. The security risk of the auth bypass web vulnerability is estimated as high with a cvss (common vulnerability scoring system) count of 7.6. Exploitation of the remote auth bypass web vulnerability requires no user interaction or privileged web-application user account. Successful exploitation of the remote vulnerability results in database management system, account system or web-application compromise. Request Method(s): [+] POST Vulnerable Module(s): [+] Login Vulnerable Parameter(s): [+] Gebruikersnaam(username) and Wachtwoord(Password) Proof of Concept (PoC): ======================= The auth bypass web vulnerability can be exploited by remote attackers without user interaction or privileged user account. For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue. Google Dork(s): intext:"Powered By nusiorung" PoC: Exploitation Username: '=' 'OR' Password: '=' 'OR' PoC: URL http://localhost:8000/[PATH]/admin/index.php Security Risk: ============== The security risk of the auth bypass web vulnerability in the web-application login module is estimated as high. (CVSS 7.6) Credits & Authors: ================== mr_mask_black - [http://www.vulnerability-lab.com/show.php?user=mr_mask_black] Disclaimer & Information: ========================= The information provided in this advisory is provided as it is without any warranty. Vulnerability Lab disclaims all warranties, either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. 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