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

Synopsis:          Important: httpd24-httpd security update
Advisory ID:       RHSA-2014:0922-01
Product:           Red Hat Software Collections
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2014-0922.html
Issue date:        2014-07-23
CVE Names:         CVE-2013-4352 CVE-2014-0117 CVE-2014-0118 
                   CVE-2014-0226 CVE-2014-0231 
=====================================================================

1. Summary:

Updated httpd24-httpd packages that fix multiple security issues are now
available for Red Hat Software Collections 1.

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 Software Collections 1 for Red Hat Enterprise Linux Server (v. 6) - noarch, x86_64
Red Hat Software Collections 1 for Red Hat Enterprise Linux Server (v. 7) - noarch, x86_64
Red Hat Software Collections 1 for Red Hat Enterprise Linux Server EUS (v. 6.4) - noarch, x86_64
Red Hat Software Collections 1 for Red Hat Enterprise Linux Workstation (v. 6) - noarch, x86_64
Red Hat Software Collections 1 for Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64

3. Description:

The httpd packages provide the Apache HTTP Server, a powerful, efficient,
and extensible web server.

A race condition flaw, leading to heap-based buffer overflows, was found in
the mod_status httpd module. A remote attacker able to access a status page
served by mod_status on a server using a threaded Multi-Processing Module
(MPM) could send a specially crafted request that would cause the httpd
child process to crash or, possibly, allow the attacker to execute
arbitrary code with the privileges of the "apache" user. (CVE-2014-0226)

A NULL pointer dereference flaw was found in the mod_cache httpd module.
A malicious HTTP server could cause the httpd child process to crash when
the Apache HTTP Server was used as a forward proxy with caching.
(CVE-2013-4352)

A denial of service flaw was found in the mod_proxy httpd module. A remote
attacker could send a specially crafted request to a server configured as a
reverse proxy using a threaded Multi-Processing Modules (MPM) that would
cause the httpd child process to crash. (CVE-2014-0117)

A denial of service flaw was found in the way httpd's mod_deflate module
handled request body decompression (configured via the "DEFLATE" input
filter). A remote attacker able to send a request whose body would be
decompressed could use this flaw to consume an excessive amount of system
memory and CPU on the target system. (CVE-2014-0118)

A denial of service flaw was found in the way httpd's mod_cgid module
executed CGI scripts that did not read data from the standard input.
A remote attacker could submit a specially crafted request that would cause
the httpd child process to hang indefinitely. (CVE-2014-0231)

All httpd24-httpd users are advised to upgrade to these updated packages,
which contain backported patches to correct these issues. After installing
the updated packages, the httpd daemon will be restarted automatically.

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/articles/11258

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

1120596 - CVE-2014-0231 httpd: mod_cgid denial of service
1120599 - CVE-2014-0117 httpd: mod_proxy denial of service
1120601 - CVE-2014-0118 httpd: mod_deflate denial of service
1120603 - CVE-2014-0226 httpd: mod_status heap-based buffer overflow
1120604 - CVE-2013-4352 httpd: mod_cache NULL pointer dereference crash

6. Package List:

Red Hat Software Collections 1 for Red Hat Enterprise Linux Server (v. 6):

Source:
httpd24-httpd-2.4.6-18.el6.src.rpm

noarch:
httpd24-httpd-manual-2.4.6-18.el6.noarch.rpm

x86_64:
httpd24-httpd-2.4.6-18.el6.x86_64.rpm
httpd24-httpd-debuginfo-2.4.6-18.el6.x86_64.rpm
httpd24-httpd-devel-2.4.6-18.el6.x86_64.rpm
httpd24-httpd-tools-2.4.6-18.el6.x86_64.rpm
httpd24-mod_ldap-2.4.6-18.el6.x86_64.rpm
httpd24-mod_proxy_html-2.4.6-18.el6.x86_64.rpm
httpd24-mod_session-2.4.6-18.el6.x86_64.rpm
httpd24-mod_ssl-2.4.6-18.el6.x86_64.rpm

Red Hat Software Collections 1 for Red Hat Enterprise Linux Server EUS (v. 6.4):

Source:
httpd24-httpd-2.4.6-18.el6.src.rpm

noarch:
httpd24-httpd-manual-2.4.6-18.el6.noarch.rpm

x86_64:
httpd24-httpd-2.4.6-18.el6.x86_64.rpm
httpd24-httpd-debuginfo-2.4.6-18.el6.x86_64.rpm
httpd24-httpd-devel-2.4.6-18.el6.x86_64.rpm
httpd24-httpd-tools-2.4.6-18.el6.x86_64.rpm
httpd24-mod_ldap-2.4.6-18.el6.x86_64.rpm
httpd24-mod_proxy_html-2.4.6-18.el6.x86_64.rpm
httpd24-mod_session-2.4.6-18.el6.x86_64.rpm
httpd24-mod_ssl-2.4.6-18.el6.x86_64.rpm

Red Hat Software Collections 1 for Red Hat Enterprise Linux Workstation (v. 6):

Source:
httpd24-httpd-2.4.6-18.el6.src.rpm

noarch:
httpd24-httpd-manual-2.4.6-18.el6.noarch.rpm

x86_64:
httpd24-httpd-2.4.6-18.el6.x86_64.rpm
httpd24-httpd-debuginfo-2.4.6-18.el6.x86_64.rpm
httpd24-httpd-devel-2.4.6-18.el6.x86_64.rpm
httpd24-httpd-tools-2.4.6-18.el6.x86_64.rpm
httpd24-mod_ldap-2.4.6-18.el6.x86_64.rpm
httpd24-mod_proxy_html-2.4.6-18.el6.x86_64.rpm
httpd24-mod_session-2.4.6-18.el6.x86_64.rpm
httpd24-mod_ssl-2.4.6-18.el6.x86_64.rpm

Red Hat Software Collections 1 for Red Hat Enterprise Linux Server (v. 7):

Source:
httpd24-httpd-2.4.6-21.el7.src.rpm

noarch:
httpd24-httpd-manual-2.4.6-21.el7.noarch.rpm

x86_64:
httpd24-httpd-2.4.6-21.el7.x86_64.rpm
httpd24-httpd-debuginfo-2.4.6-21.el7.x86_64.rpm
httpd24-httpd-devel-2.4.6-21.el7.x86_64.rpm
httpd24-httpd-tools-2.4.6-21.el7.x86_64.rpm
httpd24-mod_ldap-2.4.6-21.el7.x86_64.rpm
httpd24-mod_proxy_html-2.4.6-21.el7.x86_64.rpm
httpd24-mod_session-2.4.6-21.el7.x86_64.rpm
httpd24-mod_ssl-2.4.6-21.el7.x86_64.rpm

Red Hat Software Collections 1 for Red Hat Enterprise Linux Workstation (v. 7):

Source:
httpd24-httpd-2.4.6-21.el7.src.rpm

noarch:
httpd24-httpd-manual-2.4.6-21.el7.noarch.rpm

x86_64:
httpd24-httpd-2.4.6-21.el7.x86_64.rpm
httpd24-httpd-debuginfo-2.4.6-21.el7.x86_64.rpm
httpd24-httpd-devel-2.4.6-21.el7.x86_64.rpm
httpd24-httpd-tools-2.4.6-21.el7.x86_64.rpm
httpd24-mod_ldap-2.4.6-21.el7.x86_64.rpm
httpd24-mod_proxy_html-2.4.6-21.el7.x86_64.rpm
httpd24-mod_session-2.4.6-21.el7.x86_64.rpm
httpd24-mod_ssl-2.4.6-21.el7.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/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2013-4352.html
https://www.redhat.com/security/data/cve/CVE-2014-0117.html
https://www.redhat.com/security/data/cve/CVE-2014-0118.html
https://www.redhat.com/security/data/cve/CVE-2014-0226.html
https://www.redhat.com/security/data/cve/CVE-2014-0231.html
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 2014 Red Hat, Inc.
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