Huawei Flybox B660 3G/4G router suffers from an authentication bypass vulnerability.
0f10ffe81bd60145d86276f8e0184bf2Document Title:
===============
Huawei Flybox B660 3G/4G Router - Auth Bypass Vulnerability
References (Source):
====================
https://www.vulnerability-lab.com/get_content.php?id=2010
Huawei ID: 558969357627813
Release Date:
=============
2016-11-18
Vulnerability Laboratory ID (VL-ID):
====================================
2010
Common Vulnerability Scoring System:
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7.4
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 )
Abstract Advisory Information:
==============================
The vulnerability laboratory core research team discovered a security flaw that affects the official Huawei Flybox B660 3g/4g router product series.
Vulnerability Disclosure Timeline:
==================================
2016-11-18: Public Disclosure (Vulnerability Laboratory)
Discovery Status:
=================
Published
Affected Product(s):
====================
Huawei
Product: Flybox - Router (Web-Application) B660 3G/4G
Exploitation Technique:
=======================
Remote
Severity Level:
===============
Critical
Technical Details & Description:
================================
A remote auth bypass vulnerability has been discovered in the official Huawei Flybox B660 3g/4g router product series.
The security vulnerability allows remote attackers to compromise any Huawei Flybox B660
Admin Panel using a new a bypass method.
The vulnerability is located in the `./htmlcode/html/` modules and `indexdefault.asp ` file of
localhost path URL. Remote attackers are able to compromise any Huawei Flybox B660 admin panel
via unauthenticated GET method request.
The security risk of the issue is estimated as critical with a cvss count of 7.4. (CVSS 7.4)
Exploitation of the web vulnerability requires no privileged account or user interaction.
Successful exploitation of the vulnerability results in compromise of the huawei flybox device.
Request Method(s):
[+] GET
Vulnerable Module(s):
[+] /htmlcode/html/
Vulnerable File(s):
[+] indexdefault.asp
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 vulnerability can be exploited by remote attackers without privileged user account or user interaction.
For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue.
After buying a Flybox Huawei B660, the company setup a password for you like: "admin", "12345" or "55555"
We figured out that when you lose your password, you can perform to connect multiple times by using the plain passwords above.
After the third request the connection will be refused by an exception message, by intercepting the request and passing the error
it is possible to bypass the authentication mechanism of the 3g/4g router device. The problem in Flybox Huawei B660 is the following,
there is no test if the password false or true. If an attacker tries the false password of many times on requests they redirect you
after the bypass of the error to change your password permanently.
--- PoC Session Logs [GET] ---
GET /htmlcode/html/contentdefault.asp HTTP/1.1
Host: localhost
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Encoding: gzip, deflate, lzma, sdch
Accept-Language: en-US,en;q=0.8
Cookie: login_url=settings; CNZZDATA1260483764=1049902387-1478277586-%7C1478277586; Basic=index; Language=en; SessionID_R3=1006428909
Referer: http://localhost/htmlcode/html/content.asp
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.59 Safari/537.36 OPR/41.0.2353.46
HTTP/1.1 200 OK
CACHE-CONTROL: no-cache
Content-Length: 5776
Content-Type: text/html
PoC Video: https://www.youtube.com/watch?v=-xzedPTNv6c
Solution - Fix & Patch:
=======================
N/A
Security Risk:
==============
The security risk of the remote vulnerability in the Huawei Flybox B660 3G74G router is estimated as critical. (CVSS 7.4)
Credits & Authors:
==================
SaifAllah benMassaoud - ( http://www.vulnerability-lab.com/show.php?user=SaifAllahbenMassaoud )
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=========================
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