CVE-2021-23428

This affects all versions of package elFinder.NetCore. The Path.Combine(...) method is used to create an absolute file path. Due to missing sanitation of the user input and a missing check of the generated path its possible to escape the Files directory via path traversal

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/gordon-matt/elFinder.NetCore/blob/633da9a4d7d5c9baefd1730ee51bf7af54889600/elFinder.NetCore/Drivers/FileSystem/FileSystemDriver.cs%23L387	Broken Link
https://snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1313838	Third Party Advisory
https://github.com/gordon-matt/elFinder.NetCore	Product Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:elfinder.netcore_project:elfinder.netcore:*:*:*:*:*:*:*:*

Information

Published : 2021-09-01 08:15

Updated : 2021-09-09 12:13

NVD link : CVE-2021-23428

Mitre link : CVE-2021-23428

JSON object : View

CWE

CWE-20

Improper Input Validation

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Products Affected

elfinder.netcore_project

elfinder.netcore

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