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Category:   Application (Web Server/CGI)  >   Apache Tomcat Vendors:   Apache Software Foundation
(Red Hat Issues Fix) Apache Tomcat Default Servlet Error Handling Bug May Let Remote Users Bypass HTTP Method Restrictions on the Target Error Page
SecurityTracker Alert ID:  1039003
SecurityTracker URL:  http://securitytracker.com/id/1039003
CVE Reference:   CVE-2017-5664   (Links to External Site)
Date:  Jul 27 2017
Impact:   Modification of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 7.0.0 to 7.0.77, 8.0.0.RC1 to 8.0.43, 8.5.0 to 8.5.14, 9.0.0.M1 to 9.0.0.M20
Description:   A vulnerability was reported in Apache Tomcat. A remote user can bypass security controls on the target system.

The Default Servlet error page mechanism does not properly handle certain HTTP request methods for static error pages. As a result, a remote user may be able to bypass HTTP method restrictions and cause unexpected actions to occur for static error pages, potentially including the deletion or replacement of the target error page.

Aniket Nandkishor Kulkarni from Tata Consultancy Services Ltd, Mumbai, India reported this vulnerability.

Impact:   A remote user may be able to cause a target error page to be deleted or replaced.
Solution:   Red Hat has issued a fix.

The Red Hat advisory is available at:

https://access.redhat.com/errata/RHSA-2017:1809

Vendor URL:  access.redhat.com/errata/RHSA-2017:1809 (Links to External Site)
Cause:   Access control error, State error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  7

Message History:   This archive entry is a follow-up to the message listed below.
Jun 8 2017 Apache Tomcat Default Servlet Error Handling Bug May Let Remote Users Bypass HTTP Method Restrictions on the Target Error Page



 Source Message Contents

Subject:  [RHSA-2017:1809-01] Important: tomcat security update

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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

Synopsis:          Important: tomcat security update
Advisory ID:       RHSA-2017:1809-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2017:1809
Issue date:        2017-07-27
CVE Names:         CVE-2017-5648 CVE-2017-5664 
=====================================================================

1. Summary:

An update for tomcat is now available for Red Hat Enterprise Linux 7.

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 Client (v. 7) - noarch
Red Hat Enterprise Linux Client Optional (v. 7) - noarch
Red Hat Enterprise Linux ComputeNode (v. 7) - noarch
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch
Red Hat Enterprise Linux Server (v. 7) - noarch
Red Hat Enterprise Linux Server Optional (v. 7) - noarch
Red Hat Enterprise Linux Workstation (v. 7) - noarch
Red Hat Enterprise Linux Workstation Optional (v. 7) - 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 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)

* A vulnerability was discovered in Tomcat. When running an untrusted
application under a SecurityManager it was possible, under some
circumstances, for that application to retain references to the request or
response objects and thereby access and/or modify information associated
with another web application. (CVE-2017-5648)

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/):

1441223 - CVE-2017-5648 tomcat: Calls to application listeners did not use the appropriate facade object
1459158 - CVE-2017-5664 tomcat: Security constrained bypass in error page mechanism

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
tomcat-7.0.69-12.el7_3.src.rpm

noarch:
tomcat-servlet-3.0-api-7.0.69-12.el7_3.noarch.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

noarch:
tomcat-7.0.69-12.el7_3.noarch.rpm
tomcat-admin-webapps-7.0.69-12.el7_3.noarch.rpm
tomcat-docs-webapp-7.0.69-12.el7_3.noarch.rpm
tomcat-el-2.2-api-7.0.69-12.el7_3.noarch.rpm
tomcat-javadoc-7.0.69-12.el7_3.noarch.rpm
tomcat-jsp-2.2-api-7.0.69-12.el7_3.noarch.rpm
tomcat-jsvc-7.0.69-12.el7_3.noarch.rpm
tomcat-lib-7.0.69-12.el7_3.noarch.rpm
tomcat-webapps-7.0.69-12.el7_3.noarch.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
tomcat-7.0.69-12.el7_3.src.rpm

noarch:
tomcat-servlet-3.0-api-7.0.69-12.el7_3.noarch.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

noarch:
tomcat-7.0.69-12.el7_3.noarch.rpm
tomcat-admin-webapps-7.0.69-12.el7_3.noarch.rpm
tomcat-docs-webapp-7.0.69-12.el7_3.noarch.rpm
tomcat-el-2.2-api-7.0.69-12.el7_3.noarch.rpm
tomcat-javadoc-7.0.69-12.el7_3.noarch.rpm
tomcat-jsp-2.2-api-7.0.69-12.el7_3.noarch.rpm
tomcat-jsvc-7.0.69-12.el7_3.noarch.rpm
tomcat-lib-7.0.69-12.el7_3.noarch.rpm
tomcat-webapps-7.0.69-12.el7_3.noarch.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
tomcat-7.0.69-12.el7_3.src.rpm

noarch:
tomcat-7.0.69-12.el7_3.noarch.rpm
tomcat-admin-webapps-7.0.69-12.el7_3.noarch.rpm
tomcat-el-2.2-api-7.0.69-12.el7_3.noarch.rpm
tomcat-jsp-2.2-api-7.0.69-12.el7_3.noarch.rpm
tomcat-lib-7.0.69-12.el7_3.noarch.rpm
tomcat-servlet-3.0-api-7.0.69-12.el7_3.noarch.rpm
tomcat-webapps-7.0.69-12.el7_3.noarch.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

noarch:
tomcat-7.0.69-12.el7_3.noarch.rpm
tomcat-admin-webapps-7.0.69-12.el7_3.noarch.rpm
tomcat-docs-webapp-7.0.69-12.el7_3.noarch.rpm
tomcat-el-2.2-api-7.0.69-12.el7_3.noarch.rpm
tomcat-javadoc-7.0.69-12.el7_3.noarch.rpm
tomcat-jsp-2.2-api-7.0.69-12.el7_3.noarch.rpm
tomcat-jsvc-7.0.69-12.el7_3.noarch.rpm
tomcat-lib-7.0.69-12.el7_3.noarch.rpm
tomcat-webapps-7.0.69-12.el7_3.noarch.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
tomcat-7.0.69-12.el7_3.src.rpm

noarch:
tomcat-7.0.69-12.el7_3.noarch.rpm
tomcat-admin-webapps-7.0.69-12.el7_3.noarch.rpm
tomcat-el-2.2-api-7.0.69-12.el7_3.noarch.rpm
tomcat-jsp-2.2-api-7.0.69-12.el7_3.noarch.rpm
tomcat-lib-7.0.69-12.el7_3.noarch.rpm
tomcat-servlet-3.0-api-7.0.69-12.el7_3.noarch.rpm
tomcat-webapps-7.0.69-12.el7_3.noarch.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

noarch:
tomcat-docs-webapp-7.0.69-12.el7_3.noarch.rpm
tomcat-javadoc-7.0.69-12.el7_3.noarch.rpm
tomcat-jsvc-7.0.69-12.el7_3.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-2017-5648
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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RHSA-announce@redhat.com
https://www.redhat.com/mailman/listinfo/rhsa-announce
 
 


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