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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: tomcat6 security update
Advisory ID:       RHSA-2017:3080-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2017:3080
Issue date:        2017-10-29
CVE Names:         CVE-2017-12615 CVE-2017-12617 CVE-2017-5647 
                   CVE-2017-5664 
=====================================================================

1. Summary:

An update for tomcat6 is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop Optional (v. 6) - noarch
Red Hat Enterprise Linux HPC Node Optional (v. 6) - noarch
Red Hat Enterprise Linux Server (v. 6) - noarch
Red Hat Enterprise Linux Server Optional (v. 6) - noarch
Red Hat Enterprise Linux Workstation (v. 6) - noarch
Red Hat Enterprise Linux Workstation Optional (v. 6) - noarch

3. Description:

Apache Tomcat is a servlet container for the Java Servlet and JavaServer
Pages (JSP) technologies.

Security Fix(es):

* A vulnerability was discovered in Tomcat's handling of pipelined requests
when "Sendfile" was used. If sendfile processing completed quickly, it was
possible for the Processor to be added to the processor cache twice. This
could lead to invalid responses or information disclosure. (CVE-2017-5647)

* A vulnerability was discovered in the error page mechanism in Tomcat's
DefaultServlet implementation. A crafted HTTP request could cause undesired
side effects, possibly including the removal or replacement of the custom
error page. (CVE-2017-5664)

* Two vulnerabilities were discovered in Tomcat where if a servlet context
was configured with readonly=false and HTTP PUT requests were allowed, an
attacker could upload a JSP file to that context and achieve code
execution. (CVE-2017-12615, CVE-2017-12617)

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1441205 - CVE-2017-5647 tomcat: Incorrect handling of pipelined requests when send file was used
1459158 - CVE-2017-5664 tomcat: Security constrained bypass in error page mechanism
1461851 - The tomcat6 build is incompatible with the ECJ update
1493220 - CVE-2017-12615 tomcat: Remote Code Execution via JSP Upload
1494283 - CVE-2017-12617 tomcat: Remote Code Execution bypass for CVE-2017-12615

6. Package List:

Red Hat Enterprise Linux Desktop Optional (v. 6):

Source:
tomcat6-6.0.24-111.el6_9.src.rpm

noarch:
tomcat6-6.0.24-111.el6_9.noarch.rpm
tomcat6-admin-webapps-6.0.24-111.el6_9.noarch.rpm
tomcat6-docs-webapp-6.0.24-111.el6_9.noarch.rpm
tomcat6-el-2.1-api-6.0.24-111.el6_9.noarch.rpm
tomcat6-javadoc-6.0.24-111.el6_9.noarch.rpm
tomcat6-jsp-2.1-api-6.0.24-111.el6_9.noarch.rpm
tomcat6-lib-6.0.24-111.el6_9.noarch.rpm
tomcat6-servlet-2.5-api-6.0.24-111.el6_9.noarch.rpm
tomcat6-webapps-6.0.24-111.el6_9.noarch.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:
tomcat6-6.0.24-111.el6_9.src.rpm

noarch:
tomcat6-6.0.24-111.el6_9.noarch.rpm
tomcat6-admin-webapps-6.0.24-111.el6_9.noarch.rpm
tomcat6-docs-webapp-6.0.24-111.el6_9.noarch.rpm
tomcat6-el-2.1-api-6.0.24-111.el6_9.noarch.rpm
tomcat6-javadoc-6.0.24-111.el6_9.noarch.rpm
tomcat6-jsp-2.1-api-6.0.24-111.el6_9.noarch.rpm
tomcat6-lib-6.0.24-111.el6_9.noarch.rpm
tomcat6-servlet-2.5-api-6.0.24-111.el6_9.noarch.rpm
tomcat6-webapps-6.0.24-111.el6_9.noarch.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
tomcat6-6.0.24-111.el6_9.src.rpm

noarch:
tomcat6-6.0.24-111.el6_9.noarch.rpm
tomcat6-el-2.1-api-6.0.24-111.el6_9.noarch.rpm
tomcat6-jsp-2.1-api-6.0.24-111.el6_9.noarch.rpm
tomcat6-lib-6.0.24-111.el6_9.noarch.rpm
tomcat6-servlet-2.5-api-6.0.24-111.el6_9.noarch.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

noarch:
tomcat6-admin-webapps-6.0.24-111.el6_9.noarch.rpm
tomcat6-docs-webapp-6.0.24-111.el6_9.noarch.rpm
tomcat6-javadoc-6.0.24-111.el6_9.noarch.rpm
tomcat6-webapps-6.0.24-111.el6_9.noarch.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
tomcat6-6.0.24-111.el6_9.src.rpm

noarch:
tomcat6-6.0.24-111.el6_9.noarch.rpm
tomcat6-el-2.1-api-6.0.24-111.el6_9.noarch.rpm
tomcat6-jsp-2.1-api-6.0.24-111.el6_9.noarch.rpm
tomcat6-lib-6.0.24-111.el6_9.noarch.rpm
tomcat6-servlet-2.5-api-6.0.24-111.el6_9.noarch.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

noarch:
tomcat6-admin-webapps-6.0.24-111.el6_9.noarch.rpm
tomcat6-docs-webapp-6.0.24-111.el6_9.noarch.rpm
tomcat6-javadoc-6.0.24-111.el6_9.noarch.rpm
tomcat6-webapps-6.0.24-111.el6_9.noarch.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2017-12615
https://access.redhat.com/security/cve/CVE-2017-12617
https://access.redhat.com/security/cve/CVE-2017-5647
https://access.redhat.com/security/cve/CVE-2017-5664
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2017 Red Hat, Inc.
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