Important CentOS rpm Security Update

Metadata

critical
10.0
rpm-4.11.1-18.el7_0.src.rpm, rpm-4.11.1-18.el7_0.x86_64.rpm, rpm-apidocs-4.11.1-18.el7_0.noarch.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-cron-4.11.1-18.el7_0.noarch.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
CVE-2013-6435, CVE-2014-8118
rhn.redhat.com, lists.centos.org
2014-12-10
2017-07-27 19:08
ALAS-2014-458
Important CentOS rpm Security Update
CVE-2013-6435 rpm
CVE-2014-8118 rpm
CVE-2014-8118
CVE-2013-6435
2017-04-01 19:08
2017-01-05 20:12

Description


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.

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.
Please see https://www.redhat.com/footer/terms-of-use.html

Am I vulnerable?

The constraints below list the versions that this vulnerability is patched in, and versions that are unaffected. If a patch is ready but unrealeased, then it is pending.

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Affected package information

Release Package Patched in
7 rpm rpm-4.11.1-18.el7_0.src.rpm
rpm rpm-4.11.1-18.el7_0.x86_64.rpm
rpm-apidocs rpm-apidocs-4.11.1-18.el7_0.noarch.rpm
rpm-build rpm-build-4.11.1-18.el7_0.x86_64.rpm
rpm-build-libs rpm-build-libs-4.11.1-18.el7_0.i686.rpm
rpm-build-libs rpm-build-libs-4.11.1-18.el7_0.x86_64.rpm
rpm-cron rpm-cron-4.11.1-18.el7_0.noarch.rpm
rpm-devel rpm-devel-4.11.1-18.el7_0.i686.rpm
rpm-devel rpm-devel-4.11.1-18.el7_0.x86_64.rpm
rpm-libs rpm-libs-4.11.1-18.el7_0.i686.rpm
rpm-libs rpm-libs-4.11.1-18.el7_0.x86_64.rpm
rpm-python rpm-python-4.11.1-18.el7_0.x86_64.rpm
rpm-sign rpm-sign-4.11.1-18.el7_0.x86_64.rpm