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.
References
Link Resource
http://www.openwall.com/lists/oss-security/2021/09/09/2 Mailing List Patch Third Party Advisory
https://launchpad.net/bugs/1942179 Exploit Issue Tracking Third Party Advisory
https://security.openstack.org/ossa/OSSA-2021-006.html Patch Vendor Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2021-09-08T19:11:40

Updated: 2021-09-09T17:06:15

Reserved: 2021-09-08T00:00:00


Link: CVE-2021-40797

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2021-09-08T20:15:11.060

Modified: 2021-09-15T19:01:28.610


Link: CVE-2021-40797

JSON object: View

cve-icon Redhat Information

No data.

CWE