Description
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.
Remediation
References
http://rhn.redhat.com/errata/RHSA-2013-1844.html
http://rhn.redhat.com/errata/RHSA-2014-0029.html
http://secunia.com/advisories/55542
http://secunia.com/advisories/59372
http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/solr/CHANGES.txt?view=markup
http://www.openwall.com/lists/oss-security/2013/11/29/2
https://issues.apache.org/jira/browse/SOLR-3895