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Category:   Application (Web Server/CGI)  >   Red Hat JBoss Vendors:   Red Hat
(Red Hat Issues Fix for JBoss) Apache Tomcat Bugs Let Remote Users Bypass Security Restrictions, Hijack Sessions, and Obtain Potentially Sensitive Information
SecurityTracker Alert ID:  1035923
SecurityTracker URL:  http://securitytracker.com/id/1035923
CVE Reference:   CVE-2015-5346, CVE-2015-5351, CVE-2016-0706, CVE-2016-0714, CVE-2016-0763   (Links to External Site)
Date:  May 19 2016
Impact:   Disclosure of system information, Disclosure of user information, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Multiple vulnerabilities were reported in Apache Tomcat. A remote user can bypass security controls on the target system. A remote user can obtain potentially sensitive information on the target system. A remote user can hijack the target user's session. JBoss is affected.

A remote user can re-use the session ID in a new request to conduct session fixation attacks and potentially hijack a target user's session [CVE-2015-5346]. Systems with an application configured to use the SSL session ID as the HTTP session ID are affected. Versions 7.0.5 to 7.0.65, 8.0.0.RC1 to 8.0.30, and 9.0.0.M1 are affected.

A remote user with access to the Manager or Host Manager applications can obtain a valid CSRF token during a redirect [CVE-2015-5351]. Versions 7.0.1 to 7.0.67, 8.0.0.RC1 to 8.0.31, and 9.0.0.M1 are affected.

An application can load the internal StatusManagerServlet to obtain a list of all deployed applications and a list of the HTTP request lines for all requests currently being processed [CVE-2016-0706]. Systems running untrusted web applications under a security manager are affected. Versions 6.0.0 to 6.0.44, 7.0.0 to 7.0.67, 8.0.0.RC1 to 8.0.30, and 9.0.0.M1 are affected.

A remote user can exploit session persistence mechanisms to bypass the SecurityManager and execute arbitrary code [CVE-2016-0714]. Systems running untrusted web applications under a security manager are affected. Versions 6.0.0 to 6.0.44, 7.0.0 to 7.0.67, 8.0.0.RC1 to 8.0.30, and 9.0.0.M1 are affected.

A web application can access the ResourceLinkFactory.setGlobalContext() public method and inject a malicious global context to disrupt other web applications or read and write data owned by other web applications [CVE-2016-0763]. Systems running untrusted web applications under a security manager are affected. Versions 7.0.0 to 7.0.67, 8.0.0.RC1 to 8.0.30, and 9.0.0.M1 to 9.0.0.M2 are affected.

Impact:   A remote user can bypass security controls on the target system.

A remote user can obtain potentially sensitive information on the target system.

A remote user can hijack the target user's session.

Solution:   Red Hat has issued a fix for JBoss Web Server.

The Red Hat advisories are available at:

https://access.redhat.com/errata/RHSA-2016:1087
https://access.redhat.com/errata/RHSA-2016:1088

Vendor URL:  access.redhat.com/errata/RHSA-2016:1087 (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  6, 7

Message History:   This archive entry is a follow-up to the message listed below.
Feb 22 2016 Apache Tomcat Bugs Let Remote Users Bypass Security Restrictions, Hijack Sessions, and Obtain Potentially Sensitive Information



 Source Message Contents

Subject:  [RHSA-2016:1087-01] Moderate: Red Hat JBoss Web Server 3.0.3 update

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

Synopsis:          Moderate: Red Hat JBoss Web Server 3.0.3 update
Advisory ID:       RHSA-2016:1087-01
Product:           Red Hat JBoss Web Server
Advisory URL:      https://access.redhat.com/errata/RHSA-2016:1087
Issue date:        2016-05-17
CVE Names:         CVE-2015-5345 CVE-2015-5346 CVE-2015-5351 
                   CVE-2016-0706 CVE-2016-0714 CVE-2016-0763 
=====================================================================

1. Summary:

Red Hat JBoss Web Server 3.0.3 is now available for Red Hat Enterprise
Linux 6.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 JBoss Web Server 3.0 for RHEL 6 - i386, noarch, x86_64

3. Description:

Red Hat JBoss Web Server is a fully integrated and certified set of
components for hosting Java web applications. It is comprised of the Apache
HTTP Server, the Apache Tomcat Servlet container, Apache Tomcat Connector
(mod_jk), JBoss HTTP Connector (mod_cluster), Hibernate, and the Tomcat
Native library.

This release of Red Hat JBoss Web Server 3.0.3 serves as a replacement for
Red Hat JBoss Web Server 3.0.2, and includes bug fixes and enhancements,
which are documented in the Release Notes documented linked to in the
References.

Security Fix(es):

* A session fixation flaw was found in the way Tomcat recycled the
requestedSessionSSL field. If at least one web application was configured
to use the SSL session ID as the HTTP session ID, an attacker could reuse a
previously used session ID for further requests. (CVE-2015-5346)

* A CSRF flaw was found in Tomcat's the index pages for the Manager and
Host Manager applications. These applications included a valid CSRF token
when issuing a redirect as a result of an unauthenticated request to the
root of the web application. This token could then be used by an attacker
to perform a CSRF attack. (CVE-2015-5351)

* It was found that several Tomcat session persistence mechanisms could
allow a remote, authenticated user to bypass intended SecurityManager
restrictions and execute arbitrary code in a privileged context via a web
application that placed a crafted object in a session. (CVE-2016-0714)

* A security manager bypass flaw was found in Tomcat that could allow
remote, authenticated users to access arbitrary application data,
potentially resulting in a denial of service. (CVE-2016-0763) 

* It was found that Tomcat could reveal the presence of a directory even
when that directory was protected by a security constraint. A user could
make a request to a directory via a URL not ending with a slash and,
depending on whether Tomcat redirected that request, could confirm whether
that directory existed. (CVE-2015-5345)

* It was found that Tomcat allowed the StatusManagerServlet to be loaded by
a web application when a security manager was configured. This allowed a
web application to list all deployed web applications and expose sensitive
information such as session IDs. (CVE-2016-0706)

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

After installing the updated packages, the httpd daemon will be restarted
automatically.

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

1311076 - CVE-2015-5351 tomcat: CSRF token leak
1311082 - CVE-2016-0714 tomcat: Security Manager bypass via persistence mechanisms
1311085 - CVE-2015-5346 tomcat: Session fixation
1311087 - CVE-2016-0706 tomcat: security manager bypass via StatusManagerServlet
1311089 - CVE-2015-5345 tomcat: directory disclosure
1311093 - CVE-2016-0763 tomcat: security manager bypass via setGlobalContext()

6. JIRA issues fixed (https://issues.jboss.org/):

JWS-271 - User submitted session ID
JWS-272 - User submitted session ID
JWS-276 - Welcome File processing refactoring - CVE-2015-5345 low
JWS-277 - Welcome File processing refactoring - CVE-2015-5345 low
JWS-303 - Avoid useless session creation for manager webapps - CVE-2015-5351 moderate
JWS-304 - Restrict another manager servlet - CVE-2016-0706 low
JWS-309 - Rhel 6 Errata
JWS-349 - Session serialization safety - CVE-2016-0714 moderate
JWS-350 - Protect ResourceLinkFactory.setGlobalContext() - CVE-2016-0763 moderate

7. Package List:

Red Hat JBoss Web Server 3.0 for RHEL 6:

Source:
httpd24-2.4.6-61.ep7.el6.src.rpm
mod_security-jws3-2.8.0-7.GA.ep7.el6.src.rpm
tomcat7-7.0.59-50_patch_01.ep7.el6.src.rpm
tomcat8-8.0.18-61_patch_01.ep7.el6.src.rpm

i386:
httpd24-2.4.6-61.ep7.el6.i686.rpm
httpd24-debuginfo-2.4.6-61.ep7.el6.i686.rpm
httpd24-devel-2.4.6-61.ep7.el6.i686.rpm
httpd24-tools-2.4.6-61.ep7.el6.i686.rpm
mod_ldap24-2.4.6-61.ep7.el6.i686.rpm
mod_proxy24_html-2.4.6-61.ep7.el6.i686.rpm
mod_security-jws3-2.8.0-7.GA.ep7.el6.i686.rpm
mod_security-jws3-debuginfo-2.8.0-7.GA.ep7.el6.i686.rpm
mod_session24-2.4.6-61.ep7.el6.i686.rpm
mod_ssl24-2.4.6-61.ep7.el6.i686.rpm

noarch:
httpd24-manual-2.4.6-61.ep7.el6.noarch.rpm
tomcat7-7.0.59-50_patch_01.ep7.el6.noarch.rpm
tomcat7-admin-webapps-7.0.59-50_patch_01.ep7.el6.noarch.rpm
tomcat7-docs-webapp-7.0.59-50_patch_01.ep7.el6.noarch.rpm
tomcat7-el-2.2-api-7.0.59-50_patch_01.ep7.el6.noarch.rpm
tomcat7-javadoc-7.0.59-50_patch_01.ep7.el6.noarch.rpm
tomcat7-jsp-2.2-api-7.0.59-50_patch_01.ep7.el6.noarch.rpm
tomcat7-lib-7.0.59-50_patch_01.ep7.el6.noarch.rpm
tomcat7-log4j-7.0.59-50_patch_01.ep7.el6.noarch.rpm
tomcat7-servlet-3.0-api-7.0.59-50_patch_01.ep7.el6.noarch.rpm
tomcat7-webapps-7.0.59-50_patch_01.ep7.el6.noarch.rpm
tomcat8-8.0.18-61_patch_01.ep7.el6.noarch.rpm
tomcat8-admin-webapps-8.0.18-61_patch_01.ep7.el6.noarch.rpm
tomcat8-docs-webapp-8.0.18-61_patch_01.ep7.el6.noarch.rpm
tomcat8-el-2.2-api-8.0.18-61_patch_01.ep7.el6.noarch.rpm
tomcat8-javadoc-8.0.18-61_patch_01.ep7.el6.noarch.rpm
tomcat8-jsp-2.3-api-8.0.18-61_patch_01.ep7.el6.noarch.rpm
tomcat8-lib-8.0.18-61_patch_01.ep7.el6.noarch.rpm
tomcat8-log4j-8.0.18-61_patch_01.ep7.el6.noarch.rpm
tomcat8-servlet-3.1-api-8.0.18-61_patch_01.ep7.el6.noarch.rpm
tomcat8-webapps-8.0.18-61_patch_01.ep7.el6.noarch.rpm

x86_64:
httpd24-2.4.6-61.ep7.el6.x86_64.rpm
httpd24-debuginfo-2.4.6-61.ep7.el6.x86_64.rpm
httpd24-devel-2.4.6-61.ep7.el6.x86_64.rpm
httpd24-tools-2.4.6-61.ep7.el6.x86_64.rpm
mod_ldap24-2.4.6-61.ep7.el6.x86_64.rpm
mod_proxy24_html-2.4.6-61.ep7.el6.x86_64.rpm
mod_security-jws3-2.8.0-7.GA.ep7.el6.x86_64.rpm
mod_security-jws3-debuginfo-2.8.0-7.GA.ep7.el6.x86_64.rpm
mod_session24-2.4.6-61.ep7.el6.x86_64.rpm
mod_ssl24-2.4.6-61.ep7.el6.x86_64.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/

8. References:

https://access.redhat.com/security/cve/CVE-2015-5345
https://access.redhat.com/security/cve/CVE-2015-5346
https://access.redhat.com/security/cve/CVE-2015-5351
https://access.redhat.com/security/cve/CVE-2016-0706
https://access.redhat.com/security/cve/CVE-2016-0714
https://access.redhat.com/security/cve/CVE-2016-0763
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-US/Red_Hat_JBoss_Web_Server/3/html-single/3.0.3_Release_Notes/index.html

9. Contact:

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

Copyright 2016 Red Hat, Inc.
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