medium
6.5
CWE
20
Advisory Published
CVE Published
Advisory Published
Updated

CVE-2018-14635: Input Validation

First published: Tue Jul 24 2018(Updated: )

When using the Linux bridge ml2 driver, non-privileged tenants are able to create and attach ports without specifying an IP address, bypassing IP address validation. A potential denial of service could occur if an IP address, conflicting with existing guests or routers, is then assigned from outside of the allowed allocation pool. Versions of openstack-neutron before 13.0.0.0b2, 12.0.3 and 11.0.5 are vulnerable.

Credit: secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Redhat Openstack=10
Redhat Openstack=12
Redhat Openstack=13
OpenStack Neutron>=11.0.0<=11.0.5
OpenStack Neutron>=12.0.0<=12.0.3
OpenStack Neutron=13.0.0.0-b1
redhat/openstack-neutron<13.0.0.0
13.0.0.0
redhat/openstack-neutron<12.0.3
12.0.3
redhat/openstack-neutron<11.0.5
11.0.5
pip/neutron>=12.0.0<12.0.4
12.0.4
pip/neutron<11.0.6
11.0.6
pip/neutron=13.0.0.0b1
13.0.0.0b2

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14635

Remedy

https://git.openstack.org/cgit/openstack/neutron/commit/?id=54aa6e81cb17b33ce4d5d469cc11dec2869c762d

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Reference Links

Frequently Asked Questions

  • What is CVE-2018-14635?

    CVE-2018-14635 is a vulnerability that allows non-privileged tenants to create and attach ports without specifying an IP address, bypassing IP address validation.

  • Which software is affected by CVE-2018-14635?

    RedHat OpenStack versions 10, 12, and 13, as well as OpenStack Neutron versions 11.0.0 to 11.0.5, 12.0.0 to 12.0.3, and 13.0.0.0-b1 are affected.

  • What is the severity of CVE-2018-14635?

    The severity of CVE-2018-14635 is medium with a CVSS score of 6.5.

  • How can I fix CVE-2018-14635?

    To fix CVE-2018-14635, update to RedHat OpenStack version 10.7 (or later) for version 10, version 12.0.7 (or later) for version 12, and version 13.0.1 (or later) for version 13.

  • Where can I find more information about CVE-2018-14635?

    You can find more information about CVE-2018-14635 on the RedHat security advisory page: [https://access.redhat.com/errata/RHSA-2018:2710](https://access.redhat.com/errata/RHSA-2018:2710)

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