CVEvulnerability
CVE-2019-25076
5.8 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-09-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.8 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
Description
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.
Affected configurations
• openvswitch openvswitch (>= 2.0.0 <= 2.17.2)
• openvswitch openvswitch 3.0.0
References
- 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
- 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