CVE-2023-39945

Summary

eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.11.0, 2.10.2, 2.9.2, and 2.6.5, a data submessage sent to PDP port raises unhandled BadParamException in fastcdr, which in turn crashes fastdds. Versions 2.11.0, 2.10.2, 2.9.2, and 2.6.5 contain a patch for this issue.

Affected Software

Weaknesses

• CWE-248: CWE-248: Uncaught Exception

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-2rq6-8j7x-frr9
• https://bombshell.gtisc.gatech.edu/ddsfuzz/pcap/fastdds-exception-20230509-02.pcap
• https://github.com/eProsima/Fast-CDR/blob/v1.0.26/src/cpp/Cdr.cpp#L72-L79
• https://www.debian.org/security/2023/dsa-5481

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

References

• https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-2rq6-8j7x-frr9
• https://bombshell.gtisc.gatech.edu/ddsfuzz/pcap/fastdds-exception-20230509-02.pcap
• https://github.com/eProsima/Fast-CDR/blob/v1.0.26/src/cpp/Cdr.cpp#L72-L79
• https://www.debian.org/security/2023/dsa-5481

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