GeoServer up to 2.23.4 Admin Console path traversal

Summaryinfo

A vulnerability described as critical has been identified in GeoServer up to 2.23.4. This impacts an unknown function of the component Admin Console. Such manipulation leads to path traversal. This vulnerability is documented as CVE-2023-41877. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in GeoServer up to 2.23.4 and classified as critical. Affected by this issue is an unknown code block of the component Admin Console. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. CVE summarizes:

GeoServer is an open source software server written in Java that allows users to share and edit geospatial data. A path traversal vulnerability in versions 2.23.4 and prior requires GeoServer Administrator with access to the admin console to misconfigure the Global Settings for log file location to an arbitrary location. The admin console GeoServer Logs page provides a preview of these contents. As this issue requires GeoServer administrators access, often representing a trusted party, the vulnerability has not received a patch as of time of publication. As a workaround, a system administrator responsible for running GeoServer can use the `GEOSERVER_LOG_FILE` setting to override any configuration option provided by the Global Settings page. The `GEOSERVER_LOG_LOCATION` parameter can be set as system property, environment variables, or servlet context parameters.

The advisory is available at github.com. This vulnerability is handled as CVE-2023-41877 since 09/04/2023. The exploitation is known to be easy. The attack may be launched remotely. The exploitation needs additional levels of successful authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

• GeoServer

Version

• 2.23.0
• 2.23.1
• 2.23.2
• 2.23.3
• 2.23.4

Website

• Product: https://github.com/geoserver/geoserver/

CPE 2.3info

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CPE 2.2info

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