CVE-2024-34711— GeoServer 代码问题漏洞

GeoServer has improper ENTITY_RESOLUTION_ALLOWLIST URI validation in XML Processing (SSRF)

GeoServer is an open source server that allows users to share and edit geospatial data. An improper URI validation vulnerability exists that enables an unauthorized attacker to perform XML External Entities (XEE) attack, then send GET request to any HTTP server. By default, GeoServer use PreventLocalEntityResolver class from GeoTools to filter out malicious URIs in XML entities before resolving them. The URI must match the regex (?i)(jar:file|http|vfs)[^?#;]*\\.xsd. But the regex leaves a chance for attackers to request to any HTTP server or limited file. Attacker can abuse this to scan internal networks and gain information about them then exploit further. GeoServer 2.25.0 and greater default to the use of ENTITY_RESOLUTION_ALLOWLIST and does not require you to provide a system property.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

信息暴露

GeoServer 代码问题漏洞

GeoServer是GeoServer开源的一个用 Java 编写的开源软件服务器。允许用户共享和编辑地理空间数据。 GeoServer存在代码问题漏洞，该漏洞源于URI验证不当，可能导致未经授权的攻击者执行XML外部实体攻击，进而扫描内部网络。

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