CVE-2018-14635: OpensStack Neutron Denial of Service Vulnerability

CVE-2018-14635 · Severity: low · CVSS 3 · Published 2018-09-10

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.

Technologies: neutron (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2018-14635 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2018-14635 being exploited in the wild.
How severe is CVE-2018-14635?
Low severity, with a CVSS score of 3, published 10 September 2018.
Which products and versions are affected?
neutron (PyPI) ECOSYSTEM:introduced=0,fixed=11.0.6,introduced=12.0.0,fixed=12.0.4, ECOSYSTEM:introduced=13.0.0.0b1,fixed=13.0.0.0b2.
Is there a fix for CVE-2018-14635?
Yes. neutron (PyPI): upgrade to 12.0.4, 13.0.0.0b2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2018-14635?
Check whether you run neutron (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • neutron (PyPI): upgrade to 12.0.4, 13.0.0.0b2 or later
    pip install "neutron>=13.0.0.0b2"

Affected products

  • neutron (PyPI) ECOSYSTEM:introduced=0,fixed=11.0.6,introduced=12.0.0,fixed=12.0.4, ECOSYSTEM:introduced=13.0.0.0b1,fixed=13.0.0.0b2

Identifiers

  • CVE-2018-14635
  • GHSA-x634-34m9-96mp
  • PYSEC-2018-93

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