high
8.5
CWE
406
Advisory Published
Updated

CVE-2021-43547: TwinOaks Computing CoreDX DDS Secure Network Amplification

First published: Thu May 05 2022(Updated: )

TwinOaks Computing CoreDX DDS versions prior to 5.9.1 are susceptible to exploitation when an attacker sends a specially crafted packet to flood target devices with unwanted traffic. This may result in a denial-of-service condition and information exposure.

Credit: ics-cert@hq.dhs.gov

Affected SoftwareAffected VersionHow to fix
Twinoakscomputing Coredx Dds<5.9.1
Eclipse, eProsima, GurumNetworks, Object Computing, Inc. (OCI), Real-Time Innovations (RTI), TwinOaks Computing Eclipse CycloneDDS<0.8.0
0.8.0
eProsima Fast DDS<2.4.0
2.4.0
Eclipse, eProsima, GurumNetworks, Object Computing, Inc. (OCI), Real-Time Innovations (RTI), TwinOaks Computing GurumNetworks GurumDDS
Eclipse, eProsima, GurumNetworks, Object Computing, Inc. (OCI), Real-Time Innovations (RTI), TwinOaks Computing Object Computing, Inc. (OCI) OpenDDS<3.18.1
3.18.1
Eclipse, eProsima, GurumNetworks, Object Computing, Inc. (OCI), Real-Time Innovations (RTI), TwinOaks Computing Real-Time Innovations (RTI) Connext DDS Professional and Connext DDS Secure: Versions 4.2x to 6.1.0
Eclipse, eProsima, GurumNetworks, Object Computing, Inc. (OCI), Real-Time Innovations (RTI), TwinOaks Computing RTI Connext DDS Micro>=3.0.0
Eclipse, eProsima, GurumNetworks, Object Computing, Inc. (OCI), Real-Time Innovations (RTI), TwinOaks Computing TwinOaks Computing CoreDX DDS<5.9.1
5.9.1

Remedy

Twin Oaks Computing recommends users apply CoreDX DDS Version 5.9.1 or later, which can be downloaded on the Twin Oaks website http://www.twinoakscomputing.com/coredx/download (login required).

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2021-43547?

    CVE-2021-43547 is classified as a denial-of-service vulnerability, which can lead to potential disruptions in service.

  • How do I fix CVE-2021-43547?

    To mitigate CVE-2021-43547, upgrade to TwinOaks Computing CoreDX DDS version 5.9.1 or later.

  • Which versions are affected by CVE-2021-43547?

    CVE-2021-43547 affects TwinOaks Computing CoreDX DDS versions prior to 5.9.1.

  • What types of devices are impacted by CVE-2021-43547?

    CVE-2021-43547 can affect any devices running vulnerable versions of TwinOaks Computing CoreDX DDS.

  • Can CVE-2021-43547 lead to information exposure?

    Yes, exploiting CVE-2021-43547 can lead to possible information exposure due to unwanted traffic flooding.

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