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Imporoper path validation in elFinder.NetCore

Critical severity GitHub Reviewed Published Sep 2, 2021 to the GitHub Advisory Database • Updated Jan 27, 2023

Package

nuget elFinder.NetCore (NuGet)

Affected versions

<= 1.3.5

Patched versions

None

Description

This affects all versions of package elFinder.NetCore. The ExtractAsync function within the FileSystem is vulnerable to arbitrary extraction due to insufficient validation.

References

Published by the National Vulnerability Database Sep 1, 2021
Reviewed Sep 2, 2021
Published to the GitHub Advisory Database Sep 2, 2021
Last updated Jan 27, 2023

Severity

Critical
9.8
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CVE ID

CVE-2021-23427

GHSA ID

GHSA-wmpm-fq7r-jq56

Source code

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