[FD] CVE-2017-12575: information leakage in NEC Aterm WG2600HP2

["kenney_lu@xxxxxxxxxxxxxx" <kenney_lu@xxxxxxxxxxxxxx>]

Reserved CVE: CVE-2017-12575

# Description
The router has a set of web service APIs for access to and setup of the 
configuration. Some of APIs don't require authentication. An attacker could 
exploit this vulnerability by sending a crafted HTTP request to retrieve DHCP 
clients, firmware version, and network status.

# Vulnerability Type
Incorrect Access Control

# Affected Product Code Base]
Aterm WG2600HP2 - 1.0.2

# Affected Component
The built-in web service APIs

# Attack Type
Remote

# Attack Vectors
Send a crafted POST HTTP request to access their APIs

# Discoverer
Kenney Lu (Trend Micro)

# Vulnerability Detail 
The router has a set of web service APIs which provide user to access and setup 
configuration, some APIs don’t require authentication. An attacker could 
exploit this vulnerability by sending a crafted HTTP request to retrieve DHCP 
clients, firmware version, or network status.

> List all available commands 
ex: curl -X http://[IP]/aterm_httpif.cgi/negotiate -d “REQ_ID=SUPPORT_IF_GET"



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