CVE-2012-2101
First published: Thu Jun 07 2012(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| pip/nova | <12.0.0a0 | 12.0.0a0 |
| OpenStack Nova-LXD | =2011.3 | |
| OpenStack Nova-LXD | =2012.1 | |
| OpenStack Nova-LXD | =folsom |
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Reference Links
- http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079434.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079551.html
- http://secunia.com/advisories/49034
- http://secunia.com/advisories/49048
- http://ubuntu.com/usn/usn-1438-1
- http://www.osvdb.org/81641
- https://bugs.launchpad.net/nova/+bug/969545
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75243
- https://github.com/openstack/nova/commit/1f644d210557b1254f7c7b39424b09a45329ade7
- https://github.com/openstack/nova/commit/8c8735a73afb16d5856f0aa6088e9ae406c52beb
- https://github.com/openstack/nova/commit/a67db4586f70ed881d65e80035b2a25be195ce64
- https://lists.launchpad.net/openstack/msg10268.html
- https://nvd.nist.gov/vuln/detail/CVE-2012-2101
- https://github.com/advisories/GHSA-hq3f-9gf7-73r8 (Advisory)
- https://github.com/pypa/advisory-database/tree/main/vulns/nova/PYSEC-2012-36.yaml
Frequently Asked Questions
What is the severity of CVE-2012-2101?
CVE-2012-2101 has a moderate severity level due to its potential to cause a denial of service.
How do I fix CVE-2012-2101?
To fix CVE-2012-2101, upgrade to a version of OpenStack Nova greater than 12.0.0a0.
Which versions of OpenStack Nova are affected by CVE-2012-2101?
CVE-2012-2101 affects OpenStack Nova versions 2011.3 and 2012.1, as well as the Folsom release.
What type of vulnerability is CVE-2012-2101?
CVE-2012-2101 is a denial of service vulnerability that allows resource exhaustion through excessive iptables rules.
Are there known exploits for CVE-2012-2101?
While specific known exploits for CVE-2012-2101 are not publicly documented, the issue allows authenticated users to exploit the denial of service.
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- version/openstack nova-lxd/folsom