CVE-2021-38435: RTI Connext DDS Professional and Connext DDS Secure Incorrect Calculation of Buffer Size

Published May 5, 2022
·
Updated

RTI Connext DDS Professional and Connext DDS Secure Versions 4.2x to 6.1.0 not correctly calculate the size when allocating the buffer, which may result in a buffer overflow.

Affected Software

11 affected componentsFixes available
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·03:27 PM
Data Sourced
via MITRE·03:27 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 vulnerability ID?

The vulnerability ID is CVE-2021-38435.

2

What is the severity of CVE-2021-38435?

The severity of CVE-2021-38435 is critical.

3

Which software versions are affected by CVE-2021-38435?

RTI Connext DDS Professional versions 4.2x to 6.1.0 and RTI Connext DDS Secure versions 4.2x to 6.1.0 are affected by CVE-2021-38435.

4

What is the impact of CVE-2021-38435?

CVE-2021-38435 may result in a buffer overflow.

5

How can I fix CVE-2021-38435?

To fix CVE-2021-38435, update to a version higher than 6.1.0 of RTI Connext DDS Professional or RTI Connext DDS Secure.

Contact

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