[FD] eFront Learning 3.6.15.6 CMS - (Forum) Persistent Title Web Vulnerability

Document Title: =============== eFront Learning 3.6.15.6 CMS - (Forum) Persistent Title Web Vulnerability References (Source): ==================== http://ift.tt/1mX2wq7 Release Date: ============= 2016-02-23 Vulnerability Laboratory ID (VL-ID): ==================================== 1761 Common Vulnerability Scoring System: ==================================== 3.7 Product & Service Introduction: =============================== eFrontPro is a powerful learning management system that provides effective employee training that fits your brand preferences for both, online training & blended learning. eFrontPro can help you improve employee learning & development, ensure compliance, track employee training, engage your workforce and support organizational goals. Trusted by hundreds of companies and organizations around the world, eFrontPro is committed to assist you train people. (Copy of the Homepage: http://ift.tt/XKxSOF ) Abstract Advisory Information: ============================== An independent vulnerability laboratory researcher discovered an application-side input validation vulnerability in the eFront Learning v3.6.15.6 CMS. Vulnerability Disclosure Timeline: ================================== 2016-02-23: Public Disclosure (Vulnerability Laboratory) Discovery Status: ================= Published Affected Product(s): ==================== Epignosis LLC Product: eFront eLearning - (Web-Application) 3.6.15.6 Exploitation Technique: ======================= Remote Severity Level: =============== Medium Technical Details & Description: ================================ A persistent Cross site scripting vulnerability has been discovered in the official eFront Learning v3.6.15.6 Content Management System. The security vulnerability allows remote attackers to inject own script code to the application-side of the affected application module. The vulnerability is Located in forum `topics` add POST method request. Remote attackers with low privileged web-application user accounts are able to inject own malicious script code via POST method request to the application-side. The injection point of Vulnerable `topic title` parameter in forums on `add topic`. The request method to inject is POST and the vulnerability is located to the application-side of the vulnerable module. The attacker can inject in the forum topic title own malicious script codes to compromise the web-application or dbms. The security risk of the application-side input web vulnerability is estimated as medium with a cvss (common vulnerability scoring system) count of 3.7. Exploitation of the persistent web vulnerability requires a low privileged web-application account with restricted access and low user interaction. Successful exploitation of the vulnerabilities results in persistent phishing mails, session hijacking, persistent external redirect to malicious sources and application-side manipulation of affected or connected module context. Request Method(s): [+] POST Vulnerable Module(s): [+] Forum (?ctg=forum) Vulnerable File(s): [+] ./student.php?ctg=forum Vulnerable Parameter(s): [+] topic - title Proof of Concept (PoC): ======================= The vulnerability can be exploited by remote attackers with low privileged web-application user account and low user interaction. For security demonstration or to reproduce the web vulnerability follow the provided information and steps below to continue. Manual steps to reproduce the vulnerability ... 1. First the user goes to efront forums software 2. Add new topic to the forums 3. Inject a script code payload to the application side via [add topic title] 4. Save the entry 5. Watch the forum section were the execution of the payload occurs finally 6. Successful reproduce of the vulnerability!

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