CVE-2023-39945 Information

Description

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.

Reference

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