Unrated severityNVD Advisory· Published Aug 11, 2023· Updated Feb 13, 2025
Malformed serialized data in a data submessage leads to unhandled exception
CVE-2023-39945
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.
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Affected products
2Patches
Vulnerability mechanics
References
4- bombshell.gtisc.gatech.edu/ddsfuzz/pcap/fastdds-exception-20230509-02.pcapmitrex_refsource_MISC
- github.com/eProsima/Fast-CDR/blob/v1.0.26/src/cpp/Cdr.cppmitrex_refsource_MISC
- github.com/eProsima/Fast-DDS/security/advisories/GHSA-2rq6-8j7x-frr9mitrex_refsource_CONFIRM
- www.debian.org/security/2023/dsa-5481mitre
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