CVE-2023-39949

Summary

eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.9.1 and 2.6.5, improper validation of sequence numbers may lead to remotely reachable assertion failure. This can remotely crash any Fast-DDS process. Versions 2.9.1 and 2.6.5 contain a patch for this issue.

Affected Software

Weaknesses

• CWE-617: CWE-617: Reachable Assertion

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-3jv9-j9x3-95cg
• https://github.com/eProsima/Fast-DDS/issues/3236
• https://github.com/eProsima/Fast-DDS/blob/v2.9.0/src/cpp/rtps/messages/MessageReceiver.cpp#L1059
• 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-3jv9-j9x3-95cg
• https://github.com/eProsima/Fast-DDS/issues/3236
• https://github.com/eProsima/Fast-DDS/blob/v2.9.0/src/cpp/rtps/messages/MessageReceiver.cpp#L1059
• https://www.debian.org/security/2023/dsa-5481

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