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UniSharp Laravel Filemanager directory traversal vulnerability

Moderate severity GitHub Reviewed Published Sep 15, 2022 to the GitHub Advisory Database • Updated Dec 7, 2023

Package

composer unisharp/laravel-filemanager (Composer)

Affected versions

< 2.6.4

Patched versions

2.6.4

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.

References

Published by the National Vulnerability Database Sep 14, 2022
Published to the GitHub Advisory Database Sep 15, 2022
Reviewed Sep 16, 2022
Last updated Dec 7, 2023

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS score

8.462%
(95th percentile)

Weaknesses

CVE ID

CVE-2022-40734

GHSA ID

GHSA-5m2h-7rf2-rpx6

Source code

Credits

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