RHSA-2017:2492 — Security Advisory

An update for xmlsec1 is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

XML Security Library is a C library based on LibXML2 and OpenSSL. The library was created with a goal to support major XML security standards "XML Digital Signature" and "XML Encryption".

Security Fix(es):

• It was discovered xmlsec1's use of libxml2 inadvertently enabled external entity expansion (XXE) along with validation. An attacker could craft an XML file that would cause xmlsec1 to try and read local files or HTTP/FTP URLs, leading to information disclosure or denial of service. (CVE-2017-1000061)