The TSS (Tuple Space Search) algorithm in Open vSwitch 2.x through 2.17.2 and 3.0.0 allows remote attackers to cause a denial of service (delays of legitimate traffic) via crafted packet data that requires excessive evaluation time within the packet classification algorithm for the MegaFlow cache, aka a Tuple Space Explosion (TSE) attack.
References
Link Resource
https://arxiv.org/abs/2011.09107 Third Party Advisory
https://dl.acm.org/citation.cfm?doid=3359989.3365431 Third Party Advisory
https://sites.google.com/view/tuple-space-explosion Exploit Third Party Advisory
https://www.youtube.com/watch?v=5cHpzVK0D28 Exploit Third Party Advisory
https://www.youtube.com/watch?v=DSC3m-Bww64 Exploit Third Party Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2022-09-08T22:08:42

Updated: 2022-09-08T22:08:42

Reserved: 2022-09-08T00:00:00


Link: CVE-2019-25076

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2022-09-08T23:15:10.447

Modified: 2022-09-13T20:41:09.563


Link: CVE-2019-25076

JSON object: View

cve-icon Redhat Information

No data.