What’s Vulnerable › Vulnerabilities

CVE-2013-4185

• Severity: medium (CVSS 4.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2013-10-29 · updated 2026-06-16
• Weakness: CWE-310

Description

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.

Affected products

• OpenStack Compute: from 2013.1 before 2013.1.3; from 2013.2 before 2013.2.3 — fixed in 2013.1.3, 2013.2.3
• OpenStack: 3.0

How to fix

Upgrade to a fixed version: OpenStack Compute 2013.1.3, 2013.2.3. Check the vendor advisory for mitigations.

References

• http://rhn.redhat.com/errata/RHSA-2013-1199.html
• http://seclists.org/oss-sec/2013/q3/282
• https://bugs.launchpad.net/nova/+bug/1184041
• http://rhn.redhat.com/errata/RHSA-2013-1199.html
• http://seclists.org/oss-sec/2013/q3/282
• https://bugs.launchpad.net/nova/+bug/1184041

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