cve/2019/CVE-2019-25076.md

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.

POC

Reference

• https://www.youtube.com/watch?v=5cHpzVK0D28
• https://www.youtube.com/watch?v=5cHpzVK0D28
• https://www.youtube.com/watch?v=DSC3m-Bww64
• https://www.youtube.com/watch?v=DSC3m-Bww64

Github

• https://github.com/Live-Hack-CVE/CVE-2019-25076