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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | nova | 2012.1-2 | — |
| Debian 13 | nova | 2012.1-2 | — |
| Debian 12 | nova | 2012.1-2 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | nova | < 12.0.0a0 | 12.0.0a0 | GHSA-hq3f-9gf7-73r8 |
References
- https://github.com/openstack/nova/commit/1f644d210557b1254f7c7b39424b09a45329ade7
- 81641 vdb-entry
- https://github.com/openstack/nova/commit/8c8735a73afb16d5856f0aa6088e9ae406c52beb
- USN-1438-1 vendor-advisory
- [openstack] 20120419 [OSSA 2012-005] No quota enforced on security group rules mailing-list
- nova-quotas-dos(75243) vdb-entry
- FEDORA-2012-6365 vendor-advisory
- https://github.com/openstack/nova/commit/a67db4586f70ed881d65e80035b2a25be195ce64
- FEDORA-2012-6273 vendor-advisory
- 49048 third-party-advisory
- https://bugs.launchpad.net/nova/+bug/969545
- 49034 third-party-advisory