CVE-2023-39948

Uncaught fastcdr exception (Unexpected CDR type received) crashing fastdds

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 and 2.6.5, the `BadParamException` thrown by Fast CDR is not caught in Fast DDS. This can remotely crash any Fast DDS process. Versions 2.10.0 and 2.6.5 contain a patch for this issue.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.10%
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-x9pj-vrgf-f68f third party advisory
https://github.com/eProsima/Fast-DDS/issues/3422 third party advisory
https://github.com/eProsima/Fast-DDS/files/11117197/fastdds-assert.pcap.zip third party advisory
https://www.debian.org/security/2023/dsa-5481 third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-39948?
CVE-2023-39948 has been scored as a high severity vulnerability.
How to fix CVE-2023-39948?
To fix CVE-2023-39948, 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-2023-39948 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-39948 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-2023-39948?
CVE-2023-39948 affects eProsima Fast-DDS.
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