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.
{ "binaries": [ { "binary_version": "3.6.2+dfsg-2ubuntu0.1~esm2", "binary_name": "liblucene3-contrib-java" }, { "binary_version": "3.6.2+dfsg-2ubuntu0.1~esm2", "binary_name": "liblucene3-java" }, { "binary_version": "3.6.2+dfsg-2ubuntu0.1~esm2", "binary_name": "liblucene3-java-doc" }, { "binary_version": "3.6.2+dfsg-2ubuntu0.1~esm2", "binary_name": "libsolr-java" }, { "binary_version": "3.6.2+dfsg-2ubuntu0.1~esm2", "binary_name": "solr-common" }, { "binary_version": "3.6.2+dfsg-2ubuntu0.1~esm2", "binary_name": "solr-jetty" }, { "binary_version": "3.6.2+dfsg-2ubuntu0.1~esm2", "binary_name": "solr-tomcat" } ], "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro" }