Executive Summary

Summary
Title Netmaster cable modem information leakage vulnerability
Informations
Name VU#259548 First vendor Publication 2014-09-04
Vendor VU-CERT Last vendor Modification 2014-09-04
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:N/AC:L/Au:N/C:P/I:N/A:N)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Vulnerability Note VU#259548

Netmaster cable modem information leakage vulnerability

Original Release date: 04 Sep 2014 | Last revised: 04 Sep 2014

Overview

The Netmaster CBW700N wireless cable modem enables remote SNMP public access by default

Description

CWE-200 - Information Exposure

The Netmaster CBW700N wireless cable modem running software version 81.447.392110.729.024 was found to expose sensitive information such as username, password, and wifi keys via the SNMP public community string.

Impact

A remote unauthenticated attacker may be able to retrieve the username, password, and other sensitive information about the device.

Solution

The CERT/CC is currently unaware of a practical solution to this problem.

Vendor Information (Learn More)

VendorStatusDate NotifiedDate Updated
NetmasterAffected17 Jul 201415 Aug 2014
If you are a vendor and your product is affected, let us know.

CVSS Metrics (Learn More)

GroupScoreVector
Base5.0AV:N/AC:L/Au:N/C:P/I:N/A:N
Temporal4.3E:F/RL:U/RC:UC
Environmental4.5CDP:LM/TD:M/CR:ND/IR:ND/AR:ND

References

  • http://www.netmaster.com.tr/urun/6
  • http://cwe.mitre.org/data/definitions/200.html
  • https://community.rapid7.com/community/metasploit/blog/2014/08/21/more-snmp-information-leaks-cve-2014-4862-and-cve-2014-4863

Credit

Thanks to Deral Heiland of Rapid7, Inc. for reporting this vulnerability.

This document was written by Chris King.

Other Information

  • CVE IDs:CVE-2014-4862
  • Date Public:21 Aug 2014
  • Date First Published:04 Sep 2014
  • Date Last Updated:04 Sep 2014
  • Document Revision:15

Feedback

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Original Source

Url : http://www.kb.cert.org/vuls/id/259548

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-200 Information Exposure

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Hardware 1
Hardware 1

Snort® IPS/IDS

Date Description
2014-11-16 Multiple Products WPA key enumeration attempt
RuleID : 31856 - Revision : 4 - Type : PROTOCOL-SNMP
2014-11-16 Multiple Products 64 bit WEP key enumeration attempt
RuleID : 31855 - Revision : 4 - Type : PROTOCOL-SNMP
2014-11-16 Multiple Products 128 bit WEP key enumeration attempt
RuleID : 31854 - Revision : 4 - Type : PROTOCOL-SNMP
2014-11-16 Arris DG950A WPA key enumeration attempt
RuleID : 31853 - Revision : 3 - Type : PROTOCOL-SNMP
2014-11-16 Arris DG950A 64 bit WEP key enumeration attempt
RuleID : 31852 - Revision : 3 - Type : PROTOCOL-SNMP
2014-11-16 Arris DG950A 128 bit WEP key enumeration attempt
RuleID : 31851 - Revision : 3 - Type : PROTOCOL-SNMP
2014-07-03 CableHome Devices cabhPsDevUIPassword enumeration attempt
RuleID : 31097 - Revision : 4 - Type : PROTOCOL-SNMP

Nessus® Vulnerability Scanner

Date Description
2014-11-07 Name : The remote device is affected by an information disclosure vulnerability.
File : arris_touchstone_CVE-2014-4863.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
2
Date Informations
2014-09-08 21:27:57
  • Multiple Updates
2014-09-05 21:27:48
  • Multiple Updates
2014-09-04 17:22:04
  • First insertion