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CVE-2013-4590 Information disclosure via XXE when running untrusted web
applications

Severity: Low

Vendor: The Apache Software Foundation

Versions Affected:
- - Apache Tomcat 8.0.0-RC1 to 8.0.0-RC5
- - Apache Tomcat 7.0.0 to 7.0.47
- - Apache Tomcat 6.0.0 to 6.0.37

Description:
Application provided XML files such as web.xml, context.xml, *.tld,
*.tagx and *.jspx allowed XXE which could be used to expose Tomcat
internals to an attacker. This vulnerability only occurs when Tomcat is
running web applications from untrusted sources such as in a shared
hosting environment.

Mitigation:
Users of affected versions should apply one of the following mitigations
- - Upgrade to Apache Tomcat 8.0.0-RC10 or later
  (8.0.0-RC6 to 8.0.0-RC9 contain the fix but were not released)
- - Upgrade to Apache Tomcat 7.0.50 or later
   (7.0.48 to 7.0.49 contain the fix but were not released)
- - Upgrade to Apache Tomcat 6.0.39 or later
   (6.0.38 contains the fix but was not released)

Credit:
This issue was identified by the Apache Tomcat security team.

References:
[1] http://tomcat.apache.org/security-8.html
[2] http://tomcat.apache.org/security-7.html
[3] http://tomcat.apache.org/security-6.html
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