medium5.8
CVE-2019-25076
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 …
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Openvswitch | Openvswitch | from 2.0.0 through 2.17.2 Version 3.0.0 |
References
- NVD record
- CVE.org record
- https://arxiv.org/abs/2011.09107
- https://dl.acm.org/citation.cfm?doid=3359989.3365431
- https://sites.google.com/view/tuple-space-explosion
- https://www.youtube.com/watch?v=5cHpzVK0D28
- https://www.youtube.com/watch?v=DSC3m-Bww64
- https://arxiv.org/abs/2011.09107
- https://dl.acm.org/citation.cfm?doid=3359989.3365431
- https://sites.google.com/view/tuple-space-explosion
- https://www.youtube.com/watch?v=5cHpzVK0D28
- https://www.youtube.com/watch?v=DSC3m-Bww64