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CVE-2012-2101

3.5 · LOW

Openstack Compute (Nova) Folsom, 2012.1, and 2011.3 does not limit the number of security group rules, which allows remote authenticated users with certain permissions to cause a denial of service…

Published Jun 7, 2012openstackCWE-264EPSS 1.46%

Overview

CVE-2012-2101 is a low-severity vulnerability affecting openstack nova. It was published on June 7, 2012 and has a CVSS 2.0 base score of 3.5 (LOW).

This vulnerability has a CVSS 2.0 base score of 3.5, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Openstack Compute (Nova) Folsom, 2012.1, and 2011.3 does not limit the number of security group rules, which allows remote authenticated users with certain permissions to cause a denial of service (CPU and hard drive consumption) via a network request that triggers a large number of iptables rules.

Remediation

Check the references section for vendor advisories and patches from openstack. Update nova to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Reflists.fedoraproject.org/pipermail/package-announce/2012-May/079434.htmlReflists.fedoraproject.org/pipermail/package-announce/2012-May/079551.htmlRefsecunia.com/advisories/49034Refsecunia.com/advisories/49048Refubuntu.com/usn/usn-1438-1Refwww.osvdb.org/81641Refbugs.launchpad.net/nova/+bug/969545Refexchange.xforce.ibmcloud.com/vulnerabilities/75243GitHubgithub.com/openstack/nova/commit/1f644d210557b1254f7c7b39424b09a45329ade7GitHubgithub.com/openstack/nova/commit/8c8735a73afb16d5856f0aa6088e9ae406c52beb

How CyberStrike helps

Frequently asked questions

What is CVE-2012-2101?

CVE-2012-2101 is a low-severity vulnerability affecting openstack nova. It was published on June 7, 2012 and has a CVSS 2.0 base score of 3.5 (LOW).

How severe is CVE-2012-2101?

This vulnerability has a CVSS 2.0 base score of 3.5, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2012-2101?

Check the references section for vendor advisories and patches from openstack. Update nova to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2012-2101?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-2101 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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