netVigilance Security Advisory #31 eTicket version 1.5.5 XSS Attack Vulnerability Description: eTicket is an electronic (open source) support ticket system based on osTicket, that can receive tickets via email (pop3 or pipe) and a web-based form, as well as manage them using a web interface. Successful exploitation requires PHP register_globals set to On. External References: Mitre CVE: CVE-2007-2801 NVD NIST: CVE-2007-2801 OSVDB: 34786 Summary: eTicket is an electronic (open source) support ticket system based on osTicket. Security problem in the product allows attackers to conduct XSS attacks. Advisory URL: http://www.netvigilance.com/advisory0031 Release Date: 06/27/2007 Severity: Risk: Medium CVSS Metrics: Access Vector: Remote Access Complexity: High Authentication: Not-required Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial Impact Bias: Normal CVSS Base Score: 5.6 Target Distribution on Internet: Low Exploitability: Functional Exploit Remediation Level: Workaround Report Confidence: Confirmed Vulnerability Impact: Attack Host Impact: XSS Attack SecureScout Testcase ID: TC 17961 Vulnerable Systems: eTicket version 1.5.5 (new version 1.5.5.1 is also vulnerable) Vulnerability Type: XSS (Cross-Site Scripting) to force a web-site to display malicious contents to the target, by sending a specially crafted request to the web-site. The vulnerable web-site is not the target of attack but is used as a tool for the hacker in the attack of the victim. Vendor: HM2K Vendor Status: HM 2K from eTicket got the Draft advisory on 21 May 2007 and got extensive support in how to fix the security problems on 23 May 2007 and 28 May 2007. In HM 2K's own words HM 2K "lost interest" and HM 2K "seriously found it too difficult to orchestrate what you [netVigilance] were asking from me [HM 2K], so I just did what I thought was best.". netVigilance's tests show that version 1.5.5.1 is also vulnerable. There currently is no official fix for this advisory. Workaround: In the php.ini file set register_globals = Off. Example: REQUEST: http://[TARGET]/[PRODUCT FOLDER]/open.php?err=<script>alert(document.cookie)</script> OR http://[TARGET]/[PRODUCT FOLDER]/open.php?warn=<script>alert(document.cookie)</script> REPLY: Will execute <script>alert(document.cookie)</script> Credits: Jesper Jurcenoks Co-founder netVigilance, Inc www.netvigilance.com
