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             AUSCERT External Security Bulletin Redistribution

                               ESB-2011.0554
                 Apache Tomcat security constraint bypass
                                23 May 2011

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Tomcat
Publisher:         Apache
Operating System:  Windows
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Increased Privileges -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2011-1582 CVE-2011-1183 CVE-2011-1088

Reference:         ESB-2011.0385

Original Bulletin: 
   http://tomcat.apache.org/security-7.html

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CVE-2011-1582 Apache Tomcat security constraint bypass

Severity: Important

Vendor: The Apache Software Foundation

Versions Affected:
- - - Tomcat 7.0.12-7.0.13
- - - Earlier versions are not affected

Description:
An error in the fixes for CVE-2011-1088/CVE-2011-1183 meant that
security constraints configured via annotations were ignored on the
first request to a Servlet. Subsequent requests were secured correctly.

Mitigation:
Users of affected versions should apply one of the following mitigations:
- - - Upgrade to a Tomcat 7.0.14 or later
- - - Define all security constraints in web.xml

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

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