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