ESB-2017.2370 - ALERT [Win][UNIX/Linux] Apache Tomcat: Multiple vulnerabilities 2017-09-20

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2370
                       Apache Tomcat Vulnerabilities
                             20 September 2017

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

Product:          Apache Tomcat
Publisher:        The Apache Software Foundation
Operating System: Windows
                  UNIX variants (UNIX, Linux, OSX)
Impact/Access:    Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                  Access Confidential Data        -- Remote/Unauthenticated
Resolution:       Patch/Upgrade
CVE Names:        CVE-2017-12616 CVE-2017-12615 

Comment: This bulletin contains two (2) The Apache Software Foundation 
         security advisories.

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CVE-2017-12615 Apache Tomcat Remote Code Execution via JSP Upload

Severity: Important

Vendor: The Apache Software Foundation

Versions Affected:
Apache Tomcat 7.0.0 to 7.0.79

Description:
When running on Windows with HTTP PUTs enabled (e.g. via setting the
readonly initialisation parameter of the Default to false) it was
possible to upload a JSP file to the server via a specially crafted
request. This JSP could then be requested and any code it contained
would be executed by the server.

Mitigation:
Users of the affected versions should apply one of the following
mitigations:
- - Upgrade to Apache Tomcat 7.0.81 or later (7.0.80 was not released)

Credit:
This issue was reported responsibly to the Apache Tomcat Security Team
by iswin from 360-sg-lab 

History:
2017-09-19 Original advisory

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

- ---

CVE-2017-12616 Apache Tomcat Information Disclosure

Severity: Important

Vendor: The Apache Software Foundation

Versions Affected:
Apache Tomcat 7.0.0 to 7.0.80

Description:
When using a VirtualDirContext it was possible to bypass security
constraints and/or view the source code of JSPs for resources served by
the VirtualDirContext using a specially crafted request.

Mitigation:
Users of the affected versions should apply one of the following
mitigations:
- - Upgrade to Apache Tomcat 7.0.81

Credit:
This issue was identified by the Tomcat Security Team while
investigating CVE-2017-12616.

History:
2017-09-19 Original advisory

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

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