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VULNERABILITIES

CVE-2019-25076 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.8 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://arxiv.org/abs/2011.09107 CVEThird Party Advisory
https://dl.acm.org/citation.cfm?doid=3359989.3365431 CVEThird Party Advisory
https://sites.google.com/view/tuple-space-explosion CVEExploitThird Party Advisory
https://www.youtube.com/watch?v=5cHpzVK0D28 CVEExploitThird Party Advisory
https://www.youtube.com/watch?v=DSC3m-Bww64 CVEExploitThird Party Advisory

see all 10 references

Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-noinfoInsufficient Information to Classify Weakness[email protected]

Affected Products

ProductVersions
openvswitch openvswitch
>= 2.0.0, <= 2.17.2
3.0.0

CPE

  • cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*
  • cpe:2.3:a:openvswitch:openvswitch:3.0.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2019-25076
NVD Published Date:
Sep 8, 2022
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2019-25076 Details - Not Deferred