CVE-2021-38423: GurumDDS Heap-based Incorrect Calculation of Buffer Size
First published: Thu May 05 2022(Updated: )
All versions of GurumDDS improperly calculate the size to be used when allocating the buffer, which may result in a buffer overflow.
Credit: ics-cert@hq.dhs.gov
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Gurum Gurumdds | ||
| Eclipse, eProsima, GurumNetworks, Object Computing, Inc. (OCI), Real-Time Innovations (RTI), TwinOaks Computing Eclipse CycloneDDS | <0.8.0 | 0.8.0 |
| eProsima Fast DDS | <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 |
Remedy
Users should contact GurumNetworks for assistance. contact@gurum.cc
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-38423?
CVE-2021-38423 has been rated as a critical vulnerability due to its potential to cause a buffer overflow.
Which versions of GurumDDS are affected by CVE-2021-38423?
CVE-2021-38423 affects all versions of GurumDDS and associated products including Eclipse CycloneDDS, eProsima Fast DDS, and OpenDDS.
How do I fix CVE-2021-38423?
To fix CVE-2021-38423, update GurumDDS and related products to the latest patched versions indicated by the vendor.
What risks are associated with CVE-2021-38423?
The risks associated with CVE-2021-38423 include potential arbitrary code execution and denial of service through buffer overflow.
Is there a workaround for CVE-2021-38423?
There are currently no known workarounds for CVE-2021-38423, so upgrading to a secure version is recommended.
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- collector/mitre-cve
- source/MITRE
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- agent/references
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- agent/remedy
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- agent/tags
- collector/ics-cert-advisory
- source/ICS
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/gurum
- canonical/gurum gurumdds
- 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 eclipse cyclonedds
- canonical/eprosima fast dds
- canonical/eclipse, eprosima, gurumnetworks, object computing, inc. (oci), real-time innovations (rti), twinoaks computing gurumnetworks gurumdds
- canonical/eclipse, eprosima, gurumnetworks, object computing, inc. (oci), real-time innovations (rti), twinoaks computing object computing, inc. (oci) opendds
- 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