CVE-2023-39948

moderate-risk
Published 2023-08-11

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.

Do I need to act?

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0.12% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (4)

Affected Vendors

Debian Eprosima

References (8)

Third Party Advisory https://github.com/eProsima/Fast-DDS/files/11117197/fastdds-assert.pcap.zip
Third Party Advisory https://github.com/eProsima/Fast-DDS/issues/3422
Third Party Advisory https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-x9pj-vrgf-f68f
Third Party Advisory https://www.debian.org/security/2023/dsa-5481
Third Party Advisory https://github.com/eProsima/Fast-DDS/files/11117197/fastdds-assert.pcap.zip
Third Party Advisory https://github.com/eProsima/Fast-DDS/issues/3422
Third Party Advisory https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-x9pj-vrgf-f68f
Third Party Advisory https://www.debian.org/security/2023/dsa-5481
37
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 1/34 · Minimal
Exposure 10/34 · Low