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Red Hat Security Advisory 2014-0370-01

Red Hat Security Advisory 2014-0370-01
Posted Apr 3, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0370-01 - The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. It was found that the mod_dav module did not correctly strip leading white space from certain elements in a parsed XML. In certain httpd configurations that use the mod_dav module, a remote attacker could send a specially crafted DAV 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.

tags | advisory, remote, web, arbitrary
systems | linux, redhat
advisories | CVE-2013-6438, CVE-2014-0098
MD5 | 8baff6b83c31ff9f45a040f90063aac3

Red Hat Security Advisory 2014-0370-01

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

Synopsis: Moderate: httpd security update
Advisory ID: RHSA-2014:0370-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2014-0370.html
Issue date: 2014-04-03
CVE Names: CVE-2013-6438 CVE-2014-0098
=====================================================================

1. Summary:

Updated httpd packages that fix two security issues are now available for
Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having Moderate
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 (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, noarch, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - noarch, x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, noarch, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, noarch, x86_64

3. Description:

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

It was found that the mod_dav module did not correctly strip leading white
space from certain elements in a parsed XML. In certain httpd
configurations that use the mod_dav module (for example when using the
mod_dav_svn module), a remote attacker could send a specially crafted DAV
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-2013-6438)

A buffer over-read flaw was found in the httpd mod_log_config module.
In configurations where cookie logging is enabled (on Red Hat Enterprise
Linux it is disabled by default), a remote attacker could use this flaw to
crash the httpd child process via an HTTP request with a malformed cookie
header. (CVE-2014-0098)

All 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/site/articles/11258

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

1077867 - CVE-2013-6438 httpd: mod_dav denial of service via crafted DAV WRITE request
1077871 - CVE-2014-0098 httpd: mod_log_config does not properly handle logging certain cookies resulting in DoS

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/httpd-2.2.15-30.el6_5.src.rpm

i386:
httpd-2.2.15-30.el6_5.i686.rpm
httpd-debuginfo-2.2.15-30.el6_5.i686.rpm
httpd-tools-2.2.15-30.el6_5.i686.rpm

x86_64:
httpd-2.2.15-30.el6_5.x86_64.rpm
httpd-debuginfo-2.2.15-30.el6_5.x86_64.rpm
httpd-tools-2.2.15-30.el6_5.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/httpd-2.2.15-30.el6_5.src.rpm

i386:
httpd-debuginfo-2.2.15-30.el6_5.i686.rpm
httpd-devel-2.2.15-30.el6_5.i686.rpm
mod_ssl-2.2.15-30.el6_5.i686.rpm

noarch:
httpd-manual-2.2.15-30.el6_5.noarch.rpm

x86_64:
httpd-debuginfo-2.2.15-30.el6_5.i686.rpm
httpd-debuginfo-2.2.15-30.el6_5.x86_64.rpm
httpd-devel-2.2.15-30.el6_5.i686.rpm
httpd-devel-2.2.15-30.el6_5.x86_64.rpm
mod_ssl-2.2.15-30.el6_5.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/httpd-2.2.15-30.el6_5.src.rpm

x86_64:
httpd-2.2.15-30.el6_5.x86_64.rpm
httpd-debuginfo-2.2.15-30.el6_5.x86_64.rpm
httpd-tools-2.2.15-30.el6_5.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/httpd-2.2.15-30.el6_5.src.rpm

noarch:
httpd-manual-2.2.15-30.el6_5.noarch.rpm

x86_64:
httpd-debuginfo-2.2.15-30.el6_5.i686.rpm
httpd-debuginfo-2.2.15-30.el6_5.x86_64.rpm
httpd-devel-2.2.15-30.el6_5.i686.rpm
httpd-devel-2.2.15-30.el6_5.x86_64.rpm
mod_ssl-2.2.15-30.el6_5.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/httpd-2.2.15-30.el6_5.src.rpm

i386:
httpd-2.2.15-30.el6_5.i686.rpm
httpd-debuginfo-2.2.15-30.el6_5.i686.rpm
httpd-devel-2.2.15-30.el6_5.i686.rpm
httpd-tools-2.2.15-30.el6_5.i686.rpm
mod_ssl-2.2.15-30.el6_5.i686.rpm

noarch:
httpd-manual-2.2.15-30.el6_5.noarch.rpm

ppc64:
httpd-2.2.15-30.el6_5.ppc64.rpm
httpd-debuginfo-2.2.15-30.el6_5.ppc.rpm
httpd-debuginfo-2.2.15-30.el6_5.ppc64.rpm
httpd-devel-2.2.15-30.el6_5.ppc.rpm
httpd-devel-2.2.15-30.el6_5.ppc64.rpm
httpd-tools-2.2.15-30.el6_5.ppc64.rpm
mod_ssl-2.2.15-30.el6_5.ppc64.rpm

s390x:
httpd-2.2.15-30.el6_5.s390x.rpm
httpd-debuginfo-2.2.15-30.el6_5.s390.rpm
httpd-debuginfo-2.2.15-30.el6_5.s390x.rpm
httpd-devel-2.2.15-30.el6_5.s390.rpm
httpd-devel-2.2.15-30.el6_5.s390x.rpm
httpd-tools-2.2.15-30.el6_5.s390x.rpm
mod_ssl-2.2.15-30.el6_5.s390x.rpm

x86_64:
httpd-2.2.15-30.el6_5.x86_64.rpm
httpd-debuginfo-2.2.15-30.el6_5.i686.rpm
httpd-debuginfo-2.2.15-30.el6_5.x86_64.rpm
httpd-devel-2.2.15-30.el6_5.i686.rpm
httpd-devel-2.2.15-30.el6_5.x86_64.rpm
httpd-tools-2.2.15-30.el6_5.x86_64.rpm
mod_ssl-2.2.15-30.el6_5.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/httpd-2.2.15-30.el6_5.src.rpm

i386:
httpd-2.2.15-30.el6_5.i686.rpm
httpd-debuginfo-2.2.15-30.el6_5.i686.rpm
httpd-devel-2.2.15-30.el6_5.i686.rpm
httpd-tools-2.2.15-30.el6_5.i686.rpm
mod_ssl-2.2.15-30.el6_5.i686.rpm

noarch:
httpd-manual-2.2.15-30.el6_5.noarch.rpm

x86_64:
httpd-2.2.15-30.el6_5.x86_64.rpm
httpd-debuginfo-2.2.15-30.el6_5.i686.rpm
httpd-debuginfo-2.2.15-30.el6_5.x86_64.rpm
httpd-devel-2.2.15-30.el6_5.i686.rpm
httpd-devel-2.2.15-30.el6_5.x86_64.rpm
httpd-tools-2.2.15-30.el6_5.x86_64.rpm
mod_ssl-2.2.15-30.el6_5.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-2013-6438.html
https://www.redhat.com/security/data/cve/CVE-2014-0098.html
https://access.redhat.com/security/updates/classification/#moderate

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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