[Japanese]

JVNDB-2016-000100

ETX-R vulnerable to cross-site request forgery

Overview

ETX-R provided by I-O DATA DEVICE, INC. is a wired LAN router. ETX-R contains a cross-site request forgery vulnerability (CWE-352).

Junichi MURAKAMI of FFRI, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 4.3 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: None
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 2.6 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products


I-O DATA DEVICE, INC.
  • ETX-R

Impact

If a user views a malicious page while logged in, unintended operations may be performed.
Solution

[Apply a Workaround]
The following workarounds may mitigate the affects of this vulnerability.
* Do not access other websites while logged into the management screen
* Logout when closing the maangement screen
* Configure the setting "Login timeout"
Vendor Information

I-O DATA DEVICE, INC.
CWE (What is CWE?)

  1. Cross-Site Request Forgery(CWE-352) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2016-4820
References

  1. JVN : JVN#61317238
  2. National Vulnerability Database (NVD) : CVE-2016-4820
Revision History

  • [2016/06/14]
      Web page was published
    [2016/06/23]
      References : Content was added

Date Public2016/06/14
Date First Published2016/06/14
Date Last Updated2016/06/23