CVE-2021-38443: Eclipse CycloneDDS Improper Handling of Syntactically Invalid Structure

Published May 5, 2022
·
Updated

Eclipse CycloneDDS versions prior to 0.8.0 improperly handle invalid structures, which may allow an attacker to write arbitrary values in the XML parser.

Affected Software

8 affected componentsFixes available
Eclipse CycloneDDS<0.8.0
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

Remediation

Information

Eclipse recommends users apply the latest CycloneDDS patches. https://projects.eclipse.org/projects/iot.cyclonedds

Event History

May 5, 2022
CVE Published
via MITRE·03:16 PM
Data Sourced
via MITRE·03:16 PM
RemedyDescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2021-38443?

CVE-2021-38443 is a vulnerability in Eclipse CycloneDDS versions prior to 0.8.0 that allows an attacker to write arbitrary values in the XML parser.

2

How severe is CVE-2021-38443?

CVE-2021-38443 has a severity level of critical with a CVSS score of 9.8.

3

Which software versions are affected by CVE-2021-38443?

Eclipse CycloneDDS versions up to but not including 0.8.0 are affected by CVE-2021-38443.

4

What is the Common Weakness Enumeration (CWE) for CVE-2021-38443?

The CWE for CVE-2021-38443 is 228.

5

Where can I find more information about CVE-2021-38443?

You can find more information about CVE-2021-38443 on the Eclipse CycloneDDS project page and the US-CERT advisory page.

Contact

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