Directory traversal vulnerability in SolrResourceLoader in Apache Solr before 4.6 allows remote attackers to read arbitrary files via a .. (dot dot) or full pathname in the tr parameter to solr/select/, when the response writer (wt parameter) is set to XSLT. NOTE: this can be leveraged using a separate XXE (XML eXternal Entity) vulnerability to allow access to files across restricted network boundaries.
https://issues.apache.org/jira/browse/SOLR-4882
http://www.securityfocus.com/bid/63935
http://www.openwall.com/lists/oss-security/2013/11/27/1
http://secunia.com/advisories/59372
http://secunia.com/advisories/55730
http://rhn.redhat.com/errata/RHSA-2014-0029.html