CVE-2019-25076

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.

References

https://www.youtube.com/watch?v=DSC3m-Bww64

https://www.youtube.com/watch?v=5cHpzVK0D28

https://sites.google.com/view/tuple-space-explosion

https://dl.acm.org/citation.cfm?doid=3359989.3365431

https://arxiv.org/abs/2011.09107

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3