[RHSA-2013:0623-01] Important: tomcat6 security update

[news 28]

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Red Hat Security Advisory

 

Synopsis: Important: tomcat6 security update

Advisory ID: RHSA-2013:0623-01

Product: Red Hat Enterprise Linux

Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-0623.html

Issue date: 2013-03-11

CVE Names: CVE-2012-3546 CVE-2012-4534 CVE-2012-5885

CVE-2012-5886 CVE-2012-5887

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1. Summary:

 

Updated tomcat6 packages that fix multiple security issues are now

available for Red Hat Enterprise Linux 6.

 

The Red Hat Security Response Team has rated this update as having

important security impact. Common Vulnerability Scoring System (CVSS) base

scores, which give detailed severity ratings, are available for each

vulnerability from the CVE links 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.

 

It was found that when an application used FORM authentication, along with

another component that calls request.setUserPrincipal() before the call to

FormAuthenticator#authenticate() (such as the Single-Sign-On valve), it was

possible to bypass the security constraint checks in the FORM authenticator

by appending "/j_security_check" to the end of a URL. A remote attacker

with an authenticated session on an affected application could use this

flaw to circumvent authorization controls, and thereby access resources not

permitted by the roles associated with their authenticated session.

(CVE-2012-3546)

 

A flaw was found in the way Tomcat handled sendfile operations when using

the HTTP NIO (Non-Blocking I/O) connector and HTTPS. A remote attacker

could use this flaw to cause a denial of service (infinite loop). The HTTP

blocking IO (BIO) connector, which is not vulnerable to this issue, is used

by default in Red Hat Enterprise Linux 6. (CVE-2012-4534)

 

Multiple weaknesses were found in the Tomcat DIGEST authentication

implementation, effectively reducing the security normally provided by

DIGEST authentication. A remote attacker could use these flaws to perform

replay attacks in some circumstances. (CVE-2012-5885, CVE-2012-5886,

CVE-2012-5887)

 

Users of Tomcat should upgrade to these updated packages, which correct

these issues. Tomcat must be restarted for this update to take effect.

 

4. Solution:

 

Before applying this update, make sure all previously-released errata

relevant to your system have been applied.

 

This update is available via the Red Hat Network. Details on how to

use the Red Hat Network to apply this update are available at

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

 

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

 

873664 - CVE-2012-5885 CVE-2012-5886 CVE-2012-5887 tomcat: three DIGEST authentication implementation issues

883634 - CVE-2012-3546 Tomcat/JBoss Web: Bypass of security constraints

883637 - CVE-2012-4534 Tomcat - Denial Of Service when using NIO+SSL+sendfile

 

6. Package List:

 

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

 

Source:

ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/tomcat6-6.0.24-52.el6_4.src.rpm

 

noarch:

tomcat6-6.0.24-52.el6_4.noarch.rpm

tomcat6-admin-webapps-6.0.24-52.el6_4.noarch.rpm

tomcat6-docs-webapp-6.0.24-52.el6_4.noarch.rpm

tomcat6-el-2.1-api-6.0.24-52.el6_4.noarch.rpm

tomcat6-javadoc-6.0.24-52.el6_4.noarch.rpm

tomcat6-jsp-2.1-api-6.0.24-52.el6_4.noarch.rpm

tomcat6-lib-6.0.24-52.el6_4.noarch.rpm

tomcat6-servlet-2.5-api-6.0.24-52.el6_4.noarch.rpm

tomcat6-webapps-6.0.24-52.el6_4.noarch.rpm

 

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

 

Source:

ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/tomcat6-6.0.24-52.el6_4.src.rpm

 

noarch:

tomcat6-6.0.24-52.el6_4.noarch.rpm

tomcat6-admin-webapps-6.0.24-52.el6_4.noarch.rpm

tomcat6-docs-webapp-6.0.24-52.el6_4.noarch.rpm

tomcat6-el-2.1-api-6.0.24-52.el6_4.noarch.rpm

tomcat6-javadoc-6.0.24-52.el6_4.noarch.rpm

tomcat6-jsp-2.1-api-6.0.24-52.el6_4.noarch.rpm

tomcat6-lib-6.0.24-52.el6_4.noarch.rpm

tomcat6-servlet-2.5-api-6.0.24-52.el6_4.noarch.rpm

tomcat6-webapps-6.0.24-52.el6_4.noarch.rpm

 

Red Hat Enterprise Linux Server (v. 6):

 

Source:

ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/tomcat6-6.0.24-52.el6_4.src.rpm

 

noarch:

tomcat6-6.0.24-52.el6_4.noarch.rpm

tomcat6-el-2.1-api-6.0.24-52.el6_4.noarch.rpm

tomcat6-jsp-2.1-api-6.0.24-52.el6_4.noarch.rpm

tomcat6-lib-6.0.24-52.el6_4.noarch.rpm

tomcat6-servlet-2.5-api-6.0.24-52.el6_4.noarch.rpm

 

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

 

Source:

ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/tomcat6-6.0.24-52.el6_4.src.rpm

 

noarch:

tomcat6-admin-webapps-6.0.24-52.el6_4.noarch.rpm

tomcat6-docs-webapp-6.0.24-52.el6_4.noarch.rpm

tomcat6-javadoc-6.0.24-52.el6_4.noarch.rpm

tomcat6-webapps-6.0.24-52.el6_4.noarch.rpm

 

Red Hat Enterprise Linux Workstation (v. 6):

 

Source:

ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/tomcat6-6.0.24-52.el6_4.src.rpm

 

noarch:

tomcat6-6.0.24-52.el6_4.noarch.rpm

tomcat6-el-2.1-api-6.0.24-52.el6_4.noarch.rpm

tomcat6-jsp-2.1-api-6.0.24-52.el6_4.noarch.rpm

tomcat6-lib-6.0.24-52.el6_4.noarch.rpm

tomcat6-servlet-2.5-api-6.0.24-52.el6_4.noarch.rpm

 

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

 

Source:

ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/tomcat6-6.0.24-52.el6_4.src.rpm

 

noarch:

tomcat6-admin-webapps-6.0.24-52.el6_4.noarch.rpm

tomcat6-docs-webapp-6.0.24-52.el6_4.noarch.rpm

tomcat6-javadoc-6.0.24-52.el6_4.noarch.rpm

tomcat6-webapps-6.0.24-52.el6_4.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/#package

 

7. References:

 

https://www.redhat.com/security/data/cve/CVE-2012-3546.html

https://www.redhat.com/security/data/cve/CVE-2012-4534.html

https://www.redhat.com/security/data/cve/CVE-2012-5885.html

https://www.redhat.com/security/data/cve/CVE-2012-5886.html

https://www.redhat.com/security/data/cve/CVE-2012-5887.html

https://access.redhat.com/security/updates/classification/#important

http://tomcat.apache.org/security-6.html

 

8. Contact:

 

The Red Hat security contact is . More contact

details at https://access.redhat.com/security/team/contact/

 

Copyright 2013 Red Hat, Inc.

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