CVE-2015-0254

It was found that the Java Standard Tag Library (JSTL) allowed the processing of untrusted XML documents to utilize external entity references, which could access resources on the host system and, potentially, allowing arbitrary code execution.

Users of EAP 6.x and 7.0 should upgrade to at least 6.4.9 and pass the following system property on startup to prevent XXE attacks in JSTL: org.apache.taglibs.standard.xml.accessExternalEntity=false

For more details please see refer to this KCS solution: https://access.redhat.com/solutions/1584363

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.

Users should upgrade to Apache Standard Taglibs 1.2.3 or later.

This version uses JAXP’s FEATURE_SECURE_PROCESSING to restrict XML processing. Depending on the Java runtime version in use, additional configuration may be required:

Java8: External entity access is automatically disabled if a SecurityManager is active.

Java7: JAXP properties may need to be used to disable external access. See http://docs.oracle.com/javase/tutorial/jaxp/properties/properties.html

Java6 and earlier: A new system property org.apache.taglibs.standard.xml.accessExternalEntity may be used to specify the protocols that can be used to access external entities. This defaults to "all" if no SecurityManager is present and to "" (thereby disabling access) if a SecurityManager is detected.