CVE-2023-39534

Malformed GAP submessage triggers assertion failure

Description

eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.10.0, 2.9.2, and 2.6.5, a malformed GAP submessage can trigger assertion failure, crashing FastDDS. Version 2.10.0, 2.9.2, and 2.6.5 contain a patch for this issue.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.09%
Third-Party Advisory gatech.edu Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory debian.org
Affected: eProsima Fast-DDS
Published at:
Updated at:

References

Link Tags
https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-fcr6-x23w-94wp third party advisory
https://bombshell.gtisc.gatech.edu/ddsfuzz/pcap/fastdds-assert-230509.pcap third party advisory
https://github.com/eProsima/Fast-DDS/blob/v2.9.1/include/fastdds/rtps/common/SequenceNumber.h#L238-L252 third party advisory
https://github.com/eProsima/Fast-DDS/blob/v2.9.1/src/cpp/rtps/reader/StatefulReader.cpp#L863 third party advisory
https://www.debian.org/security/2023/dsa-5481 third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-39534?
CVE-2023-39534 has been scored as a high severity vulnerability.
How to fix CVE-2023-39534?
To fix CVE-2023-39534, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-39534 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-39534 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-39534?
CVE-2023-39534 affects eProsima Fast-DDS.
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