[Japanese]

JVNDB-2022-000019

pfSense-pkg-WireGuard vulnerable to directory traversal

Overview

pfSense-pkg-WireGuard provided by pfSense is an add-on package for pfSense CE and pfSense Plus.
pfSense-pkg-WireGuard contains a directory traversal vulnerability (CWE-22).

Yutaka WATANABE of Ierae Security 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: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: None
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 4.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: Single Instance
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None
Affected Products


Electric Sheep Fencing
  • pfSense-pkg-WireGuard versions prior to 0.1.5_4
  • pfSense-pkg-WireGuard versions prior to 0.1.6_1

Impact

pfSense users may view files in the private folders which they do not have privileges to access.
Solution

[Update the add-on package]
Update the add-on package to the latest version according to the information provided by the developer.
Vendor Information

Electric Sheep Fencing
CWE (What is CWE?)

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

  1. CVE-2022-21132
References

  1. JVN : JVN#85572374
  2. National Vulnerability Database (NVD) : CVE-2022-21132
Revision History

  • [2022/03/03]
      Web page was published
  • [2024/06/20]
      References : Content was added

Date Public2022/03/03
Date First Published2022/03/03
Date Last Updated2024/06/20