CWE
123
Advisory Published
Updated

CVE-2021-38441: Eclipse CycloneDDS Write-what-where Condition

First published: Thu May 05 2022(Updated: )

Eclipse CycloneDDS versions prior to 0.8.0 are vulnerable to a write-what-where condition, which may allow an attacker to write arbitrary values in the XML parser.

Credit: ics-cert@hq.dhs.gov

Affected SoftwareAffected VersionHow 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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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID for Eclipse CycloneDDS?

    The vulnerability ID for Eclipse CycloneDDS is CVE-2021-38441.

  • What is the severity of CVE-2021-38441?

    The severity of CVE-2021-38441 is critical with a severity value of 9.8.

  • Which versions of Eclipse CycloneDDS are affected by CVE-2021-38441?

    Versions of Eclipse CycloneDDS prior to 0.8.0 are affected by CVE-2021-38441.

  • What is the impact of CVE-2021-38441?

    CVE-2021-38441 allows an attacker to write arbitrary values in the XML parser, which can lead to unauthorized modification of data.

  • How can I mitigate the vulnerability in Eclipse CycloneDDS?

    To mitigate the vulnerability in Eclipse CycloneDDS, it is recommended to update to version 0.8.0 or later.

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