Published:2022/03/03  Last Updated:2022/03/03

JVN#85572374
pfSense-pkg-WireGuard vulnerable to directory traversal

Overview

pfSense-pkg-WireGuard contains a directory traversal vulnerability.

Products Affected

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

Description

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).

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 Status

Vendor Link
pfSense pfSense-pkg-WireGuard

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Base Score: 6.5
Attack Vector(AV) Physical (P) Local (L) Adjacent (A) Network (N)
Attack Complexity(AC) High (H) Low (L)
Privileges Required(PR) High (H) Low (L) None (N)
User Interaction(UI) Required (R) None (N)
Scope(S) Unchanged (U) Changed (C)
Confidentiality Impact(C) None (N) Low (L) High (H)
Integrity Impact(I) None (N) Low (L) High (H)
Availability Impact(A) None (N) Low (L) High (H)
CVSS v2 AV:N/AC:L/Au:S/C:P/I:N/A:N
Base Score: 4.0
Access Vector(AV) Local (L) Adjacent Network (A) Network (N)
Access Complexity(AC) High (H) Medium (M) Low (L)
Authentication(Au) Multiple (M) Single (S) None (N)
Confidentiality Impact(C) None (N) Partial (P) Complete (C)
Integrity Impact(I) None (N) Partial (P) Complete (C)
Availability Impact(A) None (N) Partial (P) Complete (C)

Credit

Yutaka WATANABE of Ierae Security Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2022-21132
JVN iPedia JVNDB-2022-000019