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

Synopsis:          Important: rpm security update
Advisory ID:       RHSA-2014:1976-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2014-1976.html
Issue date:        2014-12-09
CVE Names:         CVE-2013-6435 CVE-2014-8118 
=====================================================================

1. Summary:

Updated rpm packages that fix two security issues are now available for Red
Hat Enterprise Linux 7.

Red Hat Product Security 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 Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - noarch
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch

3. Description:

The RPM Package Manager (RPM) is a powerful command line driven package
management system capable of installing, uninstalling, verifying, querying,
and updating software packages. Each software package consists of an
archive of files along with information about the package such as its
version, description, and other information.

It was found that RPM wrote file contents to the target installation
directory under a temporary name, and verified its cryptographic signature
only after the temporary file has been written completely. Under certain
conditions, the system interprets the unverified temporary file contents
and extracts commands from it. This could allow an attacker to modify
signed RPM files in such a way that they would execute code chosen by the
attacker during package installation. (CVE-2013-6435)

It was found that RPM could encounter an integer overflow, leading to a
stack-based buffer overflow, while parsing a crafted CPIO header in the
payload section of an RPM file. This could allow an attacker to modify
signed RPM files in such a way that they would execute code chosen by the
attacker during package installation. (CVE-2014-8118)

These issues were discovered by Florian Weimer of Red Hat Product Security.

All rpm users are advised to upgrade to these updated packages, which
contain backported patches to correct these issues. All running
applications linked against the RPM library 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/articles/11258

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

1039811 - CVE-2013-6435 rpm: race condition during the installation process
1168715 - CVE-2014-8118 rpm: integer overflow and stack overflow in CPIO header parsing

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
rpm-4.11.1-18.el7_0.src.rpm

x86_64:
rpm-4.11.1-18.el7_0.x86_64.rpm
rpm-build-4.11.1-18.el7_0.x86_64.rpm
rpm-build-libs-4.11.1-18.el7_0.i686.rpm
rpm-build-libs-4.11.1-18.el7_0.x86_64.rpm
rpm-debuginfo-4.11.1-18.el7_0.i686.rpm
rpm-debuginfo-4.11.1-18.el7_0.x86_64.rpm
rpm-libs-4.11.1-18.el7_0.i686.rpm
rpm-libs-4.11.1-18.el7_0.x86_64.rpm
rpm-python-4.11.1-18.el7_0.x86_64.rpm

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

noarch:
rpm-apidocs-4.11.1-18.el7_0.noarch.rpm
rpm-cron-4.11.1-18.el7_0.noarch.rpm

x86_64:
rpm-debuginfo-4.11.1-18.el7_0.i686.rpm
rpm-debuginfo-4.11.1-18.el7_0.x86_64.rpm
rpm-devel-4.11.1-18.el7_0.i686.rpm
rpm-devel-4.11.1-18.el7_0.x86_64.rpm
rpm-sign-4.11.1-18.el7_0.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
rpm-4.11.1-18.el7_0.src.rpm

x86_64:
rpm-4.11.1-18.el7_0.x86_64.rpm
rpm-build-4.11.1-18.el7_0.x86_64.rpm
rpm-build-libs-4.11.1-18.el7_0.i686.rpm
rpm-build-libs-4.11.1-18.el7_0.x86_64.rpm
rpm-debuginfo-4.11.1-18.el7_0.i686.rpm
rpm-debuginfo-4.11.1-18.el7_0.x86_64.rpm
rpm-libs-4.11.1-18.el7_0.i686.rpm
rpm-libs-4.11.1-18.el7_0.x86_64.rpm
rpm-python-4.11.1-18.el7_0.x86_64.rpm

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

noarch:
rpm-apidocs-4.11.1-18.el7_0.noarch.rpm
rpm-cron-4.11.1-18.el7_0.noarch.rpm

x86_64:
rpm-debuginfo-4.11.1-18.el7_0.i686.rpm
rpm-debuginfo-4.11.1-18.el7_0.x86_64.rpm
rpm-devel-4.11.1-18.el7_0.i686.rpm
rpm-devel-4.11.1-18.el7_0.x86_64.rpm
rpm-sign-4.11.1-18.el7_0.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
rpm-4.11.1-18.el7_0.src.rpm

ppc64:
rpm-4.11.1-18.el7_0.ppc64.rpm
rpm-build-4.11.1-18.el7_0.ppc64.rpm
rpm-build-libs-4.11.1-18.el7_0.ppc.rpm
rpm-build-libs-4.11.1-18.el7_0.ppc64.rpm
rpm-debuginfo-4.11.1-18.el7_0.ppc.rpm
rpm-debuginfo-4.11.1-18.el7_0.ppc64.rpm
rpm-devel-4.11.1-18.el7_0.ppc.rpm
rpm-devel-4.11.1-18.el7_0.ppc64.rpm
rpm-libs-4.11.1-18.el7_0.ppc.rpm
rpm-libs-4.11.1-18.el7_0.ppc64.rpm
rpm-python-4.11.1-18.el7_0.ppc64.rpm
rpm-sign-4.11.1-18.el7_0.ppc64.rpm

s390x:
rpm-4.11.1-18.el7_0.s390x.rpm
rpm-build-4.11.1-18.el7_0.s390x.rpm
rpm-build-libs-4.11.1-18.el7_0.s390.rpm
rpm-build-libs-4.11.1-18.el7_0.s390x.rpm
rpm-debuginfo-4.11.1-18.el7_0.s390.rpm
rpm-debuginfo-4.11.1-18.el7_0.s390x.rpm
rpm-devel-4.11.1-18.el7_0.s390.rpm
rpm-devel-4.11.1-18.el7_0.s390x.rpm
rpm-libs-4.11.1-18.el7_0.s390.rpm
rpm-libs-4.11.1-18.el7_0.s390x.rpm
rpm-python-4.11.1-18.el7_0.s390x.rpm
rpm-sign-4.11.1-18.el7_0.s390x.rpm

x86_64:
rpm-4.11.1-18.el7_0.x86_64.rpm
rpm-build-4.11.1-18.el7_0.x86_64.rpm
rpm-build-libs-4.11.1-18.el7_0.i686.rpm
rpm-build-libs-4.11.1-18.el7_0.x86_64.rpm
rpm-debuginfo-4.11.1-18.el7_0.i686.rpm
rpm-debuginfo-4.11.1-18.el7_0.x86_64.rpm
rpm-devel-4.11.1-18.el7_0.i686.rpm
rpm-devel-4.11.1-18.el7_0.x86_64.rpm
rpm-libs-4.11.1-18.el7_0.i686.rpm
rpm-libs-4.11.1-18.el7_0.x86_64.rpm
rpm-python-4.11.1-18.el7_0.x86_64.rpm
rpm-sign-4.11.1-18.el7_0.x86_64.rpm

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

noarch:
rpm-apidocs-4.11.1-18.el7_0.noarch.rpm
rpm-cron-4.11.1-18.el7_0.noarch.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
rpm-4.11.1-18.el7_0.src.rpm

x86_64:
rpm-4.11.1-18.el7_0.x86_64.rpm
rpm-build-4.11.1-18.el7_0.x86_64.rpm
rpm-build-libs-4.11.1-18.el7_0.i686.rpm
rpm-build-libs-4.11.1-18.el7_0.x86_64.rpm
rpm-debuginfo-4.11.1-18.el7_0.i686.rpm
rpm-debuginfo-4.11.1-18.el7_0.x86_64.rpm
rpm-devel-4.11.1-18.el7_0.i686.rpm
rpm-devel-4.11.1-18.el7_0.x86_64.rpm
rpm-libs-4.11.1-18.el7_0.i686.rpm
rpm-libs-4.11.1-18.el7_0.x86_64.rpm
rpm-python-4.11.1-18.el7_0.x86_64.rpm
rpm-sign-4.11.1-18.el7_0.x86_64.rpm

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

noarch:
rpm-apidocs-4.11.1-18.el7_0.noarch.rpm
rpm-cron-4.11.1-18.el7_0.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-2013-6435
https://access.redhat.com/security/cve/CVE-2014-8118
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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