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CVE-2011-3376 Apache Tomcat - Privilege Escalation via Manager app

Severity: Low

Vendor: The Apache Software Foundation

Versions Affected:
- - Tomcat 7.0.0 to 7.0.21

Description:
This issue only affects environments running web applications that are
not trusted (e.g. shared hosting environments). The Servlets that
implement the functionality of the Manager application that ships with
Apache Tomcat should only be available to Contexts (web applications)
that are marked as privileged. However, this check was not being made.
This allowed an untrusted web application to use the functionality of
the Manager application. This could be used to obtain information on
running web applications as well as deploying additional web applications.

Mitigation:
Users of Tomcat 7.0.x should upgrade to 7.0.22 or later

Credit:
This issue was identified by Ate Douma

References:
http://tomcat.apache.org/security.html
http://tomcat.apache.org/security-7.html

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