CVE-2021-40797
An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API performance degradation or denial of service.
02 / AFFECTED SOFTWARE
Affected packages
74 explicit affected versions
81 explicit affected versions
81 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API performance degradation or denial of service.
An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API performance degradation or denial of service.
An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API performance degradation or denial of service.
05 / REFERENCES
Further evidence
- http://www.openwall.com/lists/oss-security/2021/09/09/2
- https://launchpad.net/bugs/1942179
- https://security.openstack.org/ossa/OSSA-2021-006.html
- https://github.com/advisories/GHSA-cpx3-696p-3cw9
- https://github.com/openstack/neutron
- https://github.com/openstack/neutron/commit/e610a5eb9e71aa2549fb11e2139370d227787da2
- https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2021-329.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2021-40797