CVE-2015-3451

The _clone function in XML::LibXML before 2.0119 does not properly set the expand_entities option, which allows remote attackers to conduct XML external entity (XXE) attacks via crafted XML data to the (1) new or (2) load_xml function.

This issue affects the versions of perl-XML-LibXML as shipped with Red Hat Enterprise Linux 5, 6 and 7. Red Hat Product Security has rated this issue as having Low security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

This issue only affects programs using this program in forms such as:

$parser = XML::LibXML->new

or

$XML_DOC = $parser->load_xml

if you use the form:

$XML_DOC = XML::LibXML->load_xml

this vulnerability will not be exposed.