CVE Vulnerability

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 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.

5.8 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope CHANGED

References
Link Resource
https://arxiv.org/abs/2011.09107 Third Party Advisory
https://www.youtube.com/watch?v=DSC3m-Bww64 Exploit Third Party Advisory
https://www.youtube.com/watch?v=5cHpzVK0D28 Exploit Third Party Advisory
https://sites.google.com/view/tuple-space-explosion Exploit Third Party Advisory
https://dl.acm.org/citation.cfm?doid=3359989.3365431 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:openvswitch:openvswitch:3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*
Information

Published : 2022-09-08 11:15

Updated : 2022-09-13 08:41

NVD link : CVE-2019-25076

Mitre link : CVE-2019-25076

Products Affected
No products.
CWE
NVD-CWE-noinfo