[Japanese]

JVNDB-2016-000086

Multiple Buffalo wireless LAN routers vulnerable to directory traversal

Overview

Multiple wireless LAN routers provided by BUFFALO INC. contain a directory traversal vulnerability (CWE-22).

Toshitsugu Yoneyama of Mitsui Bussan Secure Directions, 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 6.5 (Medium) [IPA Score]
  • Attack Vector: Adjacent Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: None
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 3.3 (Low) [IPA Score]
  • Access Vector: Adjacent Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None
Affected Products


BUFFALO INC.
  • WZR-600DHP3 firmware Ver.2.16 and earlier
  • WZR-S600DHP firmware Ver.2.16 and earlier

Impact

Arbitrary files on the server may be viewed by an attacker who can access the product.
Solution

[Update the Firmware]
Apply the appropriate firmware update provided by the developer.
Vendor Information

BUFFALO INC.
CWE (What is CWE?)

  1. Path Traversal(CWE-22) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2016-4815
References

  1. JVN : JVN#81698369
  2. National Vulnerability Database (NVD) : CVE-2016-4815
Revision History

  • [2016/05/27]
      Web page was published
    [2016/06/27]
      References : Content was added

Date Public2016/05/27
Date First Published2016/05/27
Date Last Updated2016/06/27