CVE-2023-39534 Information

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 2.9.2 and 2.6.5 a malformed GAP submessage can trigger assertion failure crashing FastDDS. Version 2.10.0 2.9.2 and 2.6.5 contain a patch for this issue.

Reference

https://bombshell.gtisc.gatech.edu/ddsfuzz/pcap/fastdds-assert-230509.pcap https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-fcr6-x23w-94wp https://github.com/eProsima/Fast-DDS/blob/v2.9.1/src/cpp/rtps/reader/StatefulReader.cpp#L863 https://github.com/eProsima/Fast-DDS/blob/v2.9.1/include/fastdds/rtps/common/SequenceNumber.h#L238-L252