CVE-2021-38443: Eclipse CycloneDDS Improper Handling of Syntactically Invalid Structure
First published: Thu May 05 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.
Credit: ics-cert@hq.dhs.gov
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Eclipse CycloneDDS | <0.8.0 | |
| <0.8.0 | 0.8.0 | |
| <2.4.0 | 2.4.0 | |
| <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
Eclipse recommends users apply the latest CycloneDDS patches. https://projects.eclipse.org/projects/iot.cyclonedds
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Reference Links
Frequently Asked Questions
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.
How severe is CVE-2021-38443?
CVE-2021-38443 has a severity level of critical with a CVSS score of 9.8.
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.
What is the Common Weakness Enumeration (CWE) for CVE-2021-38443?
The CWE for CVE-2021-38443 is 228.
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.
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- canonical/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
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- canonical/eclipse, eprosima, gurumnetworks, object computing, inc. (oci), real-time innovations (rti), twinoaks computing twinoaks computing coredx dds