UniSharp Laravel Filemanager directory traversal vulnerability

Description

UniSharp laravel-filemanager (aka Laravel Filemanager) with league/flysystem version < 2.0.0 allows download?working_dir=%2F.. directory traversal to read arbitrary files, as exploited in the wild in June 2022.

Since v2.6.4, UniSharp laravel-filemanager (aka Laravel Filemanager) requires users to install league/flysystem version >= 2.0.0.

Basic information

Type
reviewed
Severity
medium
Advisory on GitHub
Open advisory ↗
Repository advisory
Source code
Browse source ↗
Published (advisory)
2022-09-15 00:00:14 UTC
Updated
2023-12-07 17:03:45 UTC
GitHub reviewed
2022-09-16 17:08:22 UTC
NVD published
2022-09-14

EPSS Score

Score Percentile
91.74% 99.67%

CVSS Scores

Base score Version Severity Vector
6.5 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.

Identifiers

CWEs

CWE id Name
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Credits

  • streamtw (analyst)

Affected packages (1)

Vulnerable version ranges and first patched releases as published by GitHub.

Ecosystem Package Vulnerable range First patched Vulnerable functions
composer unisharp/laravel-filemanager < 2.6.4 2.6.4

References

cvelogic Threat Intelligence