Vulnerability CVE-2023-51444
Published: 2024-03-20

Description:
GeoServer is an open source software server written in Java that allows users to share and edit geospatial data. An arbitrary file upload vulnerability exists in versions prior to 2.23.4 and 2.24.1 that enables an authenticated administrator with permissions to modify coverage stores through the REST Coverage Store API to upload arbitrary file contents to arbitrary file locations which can lead to remote code execution. Coverage stores that are configured using relative paths use a GeoServer Resource implementation that has validation to prevent path traversal but coverage stores that are configured using absolute paths use a different Resource implementation that does not prevent path traversal. This vulnerability can lead to executing arbitrary code. An administrator with limited privileges could also potentially exploit this to overwrite GeoServer security files and obtain full administrator privileges. Versions 2.23.4 and 2.24.1 contain a fix for this issue.

 References:
https://github.com/geoserver/geoserver/security/advisories/GHSA-9v5q-2gwq-q9hq
https://github.com/geoserver/geoserver/pull/7222
https://github.com/geoserver/geoserver/commit/ca683170c669718cb6ad4c79e01b0451065e13b8
https://github.com/geoserver/geoserver/commit/fe235b3bb1d7f05751a4a2ef5390c36f5c9e78ae
https://osgeo-org.atlassian.net/browse/GEOS-11176
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