CVE-2021-38487: Potential Network Amplification and Information Exposure in RTI Connext Professional and Connext Micro

Published May 5, 2022
·
Updated

RTI Connext DDS Professional, Connext DDS Secure versions 4.2x to 6.1.0, and Connext DDS Micro versions 2.4 and later are vulnerable 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.

Other sources

RTI Connext Professional versions 4.1 to 6.1.0, and Connext Micro versions 2.4 and later are vulnerable 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.

MITRE

Affected Software

12 affected componentsFixes available
RTI Connext DDS Micro>=2.4
RTI Connext DDS Professional>=4.2<6.1.0
RTI Connext DDS Secure>=4.2<6.1.0
Eclipse, eProsima, GurumNetworks, Object Computing, Inc. (OCI), Real-Time Innovations (RTI), TwinOaks Computing Eclipse CycloneDDS<0.8.0
0.8.0
Eclipse, eProsima, GurumNetworks, Object Computing, Inc. (OCI), Real-Time Innovations (RTI), TwinOaks Computing eProsima Fast DDS (#2269)<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
RTI Connext Professional>=4.2<6.1.0
RTI Connext Secure>=4.2<6.1.0

Remediation

Information

RTI recommends users apply the available patches for these issues. A patch is available on the RTI customer portal or by contacting RTI Support. Also, contact RTI Support for mitigations, including how to use RTI DDS Secure to mitigate against the network amplification issue.

Event History

May 5, 2022
CVE Published
via MITRE·03:18 PM
Data Sourced
via MITRE·03:18 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2021-38487?

The severity of CVE-2021-38487 is critical, with a severity score of 9.1.

2

Which versions of RTI Connext DDS Professional and Connext DDS Secure are affected by CVE-2021-38487?

RTI Connext DDS Professional versions 4.2x to 6.1.0 and Connext DDS Secure versions 4.2x to 6.1.0 are affected by CVE-2021-38487.

3

Which versions of RTI Connext DDS Micro are affected by CVE-2021-38487?

RTI Connext DDS Micro versions 2.4 and later are affected by CVE-2021-38487.

4

What is the impact of CVE-2021-38487?

CVE-2021-38487 can result in a denial-of-service condition and information exposure.

5

Where can I find more information about CVE-2021-38487?

More information about CVE-2021-38487 can be found at the following references: [Link 1](https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F), [Link 2](https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02).

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