The UpdateRequestHandler for XML in Apache Solr before 4.1 allows remote attackers to have an unspecified impact via XML data containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue. Per: http://secunia.com/advisories/55542
"A vulnerability has been reported in Apache Solr, which can be exploited by malicious people to disclose certain sensitive information or cause a DoS (Denial of Service)........The vulnerability is reported in version 3.6.1. Other versions may also be affected."
Publication date: Sun, 08 Dec 2013 02:55:00 +0000