CVE-2023-39945 HIGH

CVE-2023-39945: Malformed serialized data in a data submessage leads to unhandled exception

Vendor Eprosima
Product Fast-DDS
Weakness CWE-248
Published August 11, 2023
Last update February 13, 2025

CVSS base score

8.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 11, 2023 CVE published
February 13, 2025 Record updated