[Japanese]

JVNDB-2016-000241

WNC01WH vulnerable to directory traversal due to an issue in processing POST request

Overview

WNC01WH provided by BUFFALO INC. is a network camera. WNC01WH contains a directory traversal vulnerability due to an issue in processing POST request.

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?)

Base Metrics: 6.2 (Medium) [IPA Score]
  • Access Vector: Adjacent Network
  • Access Complexity: Low
  • Authentication: Single Instance
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: Complete

CVSS V3 Severity:
Base Metrics: 6.1 (Medium) [IPA Score]
  • Access Vector: Adjacent
  • Attack Complexity: Low
  • Privileges Required: High
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: None
  • Integrity Impact: High
  • Availability Impact: High
Affected Products


BUFFALO INC.
  • WNC01WH firmware version 1.0.0.8 and earlier

Impact

An authenticated attacker may delete arbitrary files on the product.
Solution

[Update the Firmware]
Update to the latest version of firmware according to the information 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-2016-7826
References

  1. JVN : JVN#40613060
  2. National Vulnerability Database (NVD) : CVE-2016-7826
Revision History

[2016/12/02]
  Web page was published
[2017/11/27]
  References : Content was added