Public Date:
993331: CVE-2013-4185 OpenStack: Nova network source security groups denial of service

The MITRE CVE dictionary describes this issue as:

Algorithmic complexity vulnerability in OpenStack Compute (Nova) before 2013.1.3 and Havana before havana-3 does not properly handle network source security group policy updates, which allows remote authenticated users to cause a denial of service (nova-network consumption) via a large number of server-creation operations, which triggers a large number of update requests.

Find out more about CVE-2013-4185 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 4
Base Metrics AV:N/AC:L/Au:S/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux OpenStack Platform 3.0 (openstack-nova) RHSA-2013:1199 2013-09-03


Red Hat would like to thank the OpenStack project for reporting this issue. Upstream acknowledges Vishvananda Ishaya from Nebula as the original reporter.