CVE-2021-38435: RTI Connext DDS Professional and Connext DDS Secure Incorrect Calculation of Buffer Size
First published: Thu May 05 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.
Credit: ics-cert@hq.dhs.gov
| Affected Software | Affected Version | How to fix |
|---|---|---|
| RTI Connext DDS Professional | >=4.2<6.1.0 | |
| Rti Connext Dds Secure | >=4.2<6.1.0 | |
| <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
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.
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-38435.
What is the severity of CVE-2021-38435?
The severity of CVE-2021-38435 is critical.
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.
What is the impact of CVE-2021-38435?
CVE-2021-38435 may result in a buffer overflow.
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.
- collector/nvd-index
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/references
- agent/severity
- agent/last-modified-date
- agent/remedy
- agent/weakness
- agent/softwarecombine
- agent/title
- agent/tags
- agent/description
- agent/first-publish-date
- agent/event
- collector/ics-cert-advisory
- source/ICS
- agent/software-canonical-lookup
- vendor/rti
- canonical/rti connext dds professional
- version/rti connext dds professional/4.2
- canonical/rti connext dds secure
- version/rti connext dds secure/4.2
- vendor/eclipse, eprosima, gurumnetworks, object computing, inc. (oci), real-time innovations (rti), twinoaks computing
- 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
- canonical/eclipse, eprosima, gurumnetworks, object computing, inc. (oci), real-time innovations (rti), twinoaks computing rti connext dds micro
- version/eclipse, eprosima, gurumnetworks, object computing, inc. (oci), real-time innovations (rti), twinoaks computing rti connext dds micro/3.0.0
- canonical/eclipse, eprosima, gurumnetworks, object computing, inc. (oci), real-time innovations (rti), twinoaks computing twinoaks computing coredx dds