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Vulnerability of Apache Santuario XML Security for Java: privilege escalation via XML Parsing Code

Synthesis of the vulnerability 

An attacker can bypass restrictions via XML Parsing Code of Apache Santuario XML Security for Java, in order to escalate his privileges.
Impacted products: Apache XML Security for Java, Snap Creator Framework, JBoss EAP by Red Hat, Red Hat SSO.
Severity of this bulletin: 2/4.
Creation date: 26/08/2019.
Références of this threat: CERTFR-2020-AVI-179, CVE-2019-12400, NTAP-20190910-0003, RHSA-2020:0804-01, RHSA-2020:0805-01, RHSA-2020:0806-01, RHSA-2020:0811-01, RHSA-2020:0951-01, RHSA-2020:0952-01, VIGILANCE-VUL-30141.

Description of the vulnerability 

An attacker can bypass restrictions via XML Parsing Code of Apache Santuario XML Security for Java, in order to escalate his privileges.
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This computer vulnerability bulletin impacts software or systems such as Apache XML Security for Java, Snap Creator Framework, JBoss EAP by Red Hat, Red Hat SSO.

Our Vigil@nce team determined that the severity of this vulnerability bulletin is medium.

The trust level is of type confirmed by the editor, with an origin of intranet client.

An attacker with a expert ability can exploit this threat note.

Solutions for this threat 

Apache Santuario XML Security for Java: version 2.1.4.
The version 2.1.4 is fixed:
  http://santuario.apache.org/

Red Hat JBoss EAP: version 7.2.7.
The version 7.2.7 is fixed.

Red Hat Single Sign-On: version 7.3.7.
The version 7.3.7 is fixed:
  https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso&downloadType=securityPatches&version=7.3

Snap Creator Framework: solution for Apache Santuario.
The solution is indicated in information sources.
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