XML External Entity Expansion (XXE) Vulnerability in Apache Solr's DataImportHandler

CVE-2018-1308 · MEDIUM Severity

AV:N/AC:L/AU:N/C:P/I:N/A:N

This vulnerability in Apache Solr 1.2 to 6.6.2 and 7.0.0 to 7.2.1 relates to an XML external entity expansion (XXE) in the `&dataConfig=<inlinexml>` parameter of Solr's DataImportHandler. It can be used as XXE using file/ftp/http protocols in order to read arbitrary local files from the Solr server or the internal network.

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