Executive Summary

Summary
Title ASUS RT-N56U remote password disclosure vulnerability
Informations
Name VU#200814 First vendor Publication 2011-08-25
Vendor VU-CERT Last vendor Modification 2011-08-26
Severity (Vendor) N/A Revision M

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:A/AC:L/Au:N/C:P/I:N/A:N)
Cvss Base Score 3.3 Attack Range Adjacent network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 6.5 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Vulnerability Note VU#200814

ASUS RT-N56U remote password disclosure vulnerability

Overview

ASUS's Wireless-N Gigabit Router RT-N56U is vulnerable to remote administrator password disclosure.

I. Description

ASUS's Wireless-N Gigabit Router RT-N56U contains a vulnerability which may allow a remote unauthenticated attacker to recover the device's administrator password. An attacker with network access to the device can navigate to the web page http://RouterIPAddress/QIS_wizard.htm?flag=detect. The attacker will be presented with a web page containing the device's configuration without entering any login credentials. This web page will display the device's administrator password. The default configuration for this device is to only allow clients connected to the Local Area Network (LAN) to access the system web interface.

This vulnerability has been reported in ASUS's Wireless-N Gigabit Router RT-N56U firmware version 1.0.1.4.

II. Impact

An unauthenticated attacker that is connected to the router's LAN may be able to retrieve the device's administrator password allowing them to directly access the device's configuration web page.

III. Solution

Update

This vulnerability has been addressed in ASUS's Wireless-N Gigabit Router RT-N56U firmware version 1.0.1.4o.

Restrict network access

Restrict network access to the ASUS's Wireless-N Gigabit Router RT-N56U system web interface and other devices using open protocols like HTTP.

Disable WAN device management

Restrict network access to the ASUS's Wireless-N Gigabit Router RT-N56U system web interface from external connections.

Vendor Information

VendorStatusDate NotifiedDate Updated
AsusTek Computer Inc.Affected2011-08-23

References

http://www.asus.com/Networks/Wireless_Routers/RTN56U/

Credit

Thanks to Plucky for reporting this vulnerability.

This document was written by Michael Orlando.

Other Information

Date Public:2011-08-25
Date First Published:2011-08-25
Date Last Updated:2011-08-26
CERT Advisory: 
CVE-ID(s): 
NVD-ID(s): 
US-CERT Technical Alerts: 
Severity Metric:1.86
Document Revision:13

Original Source

Url : http://www.kb.cert.org/vuls/id/200814

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-200 Information Exposure

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 4
Hardware 1
Os 3

OpenVAS Exploits

Date Description
2011-08-26 Name : ASUS RT-N56U Wireless Router 'QIS_wizard.htm' Password Information Disclosure...
File : nvt/gb_asus_rt-n56u_49308.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
74909 ASUS RT-N56U Wireless Router QIS_wizard.htm Access Restriction Weakness Infor...