Vulnerability Report

CVE-2019-25076

Title: Openvswitch Denial of Service (DoS)

Denial of Service (DoS)

Proof Of Concept

No public PoC currently indexed for CVE-2019-25076.

CWE Category NVD-CWE-noinfo
Published Date Sep 08, 2022
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 5.8 CVSS v3.1
Exploit Probability (EPSS)
1.84%

Vulnerability Summary

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.

Impacted Vendors

O
openvswitch 1

Reference Links

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
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2019-25076 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

Affected Stack

No specific products linked.