[Japanese]

JVNDB-2018-000015

Multiple vulnerabilities in FS010W

Overview

FS010W provided by FUJI SOFT INCORPORATED is a WiFi router. FS010W contains multiple vulnerabilities listed below.

* Stored cross-site scripting (CWE-79) - CVE-2018-0519
* Cross-site request forgery (CWE-352) - CVE-2018-0520

Manabu Kobayashi reported these vulnerabilities to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 7.1 (High) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 4.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2018-0520

CVSS V3 Severity:
Base Metrics: 4.3 (Medium) [IPA Score]
  • Attack Vector: Adjacent
  • Attack Complexity: Low
  • Privileges Required: High
  • User Interaction: Required: Required
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics: 2.7 (Low) [IPA Score]
  • Access Vector: Adjacent Network
  • Access Complexity: Low
  • Authentication: Single
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2018-0519
Affected Products


FUJISOFT INCORPORATED
  • FS010W firmware FS010W_00_V1.3.0 and earlier

Impact

The possible impact of each vulnerability is as follows:

* An arbitrary script may be executed on the web browser of a user who is logging in the setting tool of the device - CVE-2018-0519

* If a user views a malicious page while logged in the setting tool of the affected product, unintended operations such as changing settings of the device may be conducted. - CVE-2018-0520
Solution

[Apply Workarounds]
Applying all workarounds listed below may mitigate the impacts of these vulnerabilities.

* Change the initial login password set in the setting tool
* Do not access other websites while logged into the setting tool
* Close the web browser after completing settings of the device using the setting tool
Vendor Information

FUJISOFT INCORPORATED
CWE (What is CWE?)

  1. Cross-Site Request Forgery(CWE-352) [IPA Evaluation]
  2. Cross-site Scripting(CWE-79) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2018-0519
  2. CVE-2018-0520
References

  1. JVN : JVN#83834277
  2. National Vulnerability Database (NVD) : CVE-2018-0519
  3. National Vulnerability Database (NVD) : CVE-2018-0520
Revision History

  • [2018/02/22]
      Web page was published
  • [2018/04/11]
      References : Contents were added

Date Public2018/02/20
Date First Published2018/02/22
Date Last Updated2018/04/11