Home/CVE/eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prio
CVE

CVE-2023-39945

eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prio

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.

HIGH · CVSS 8.2 EPSS 0.00109
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-248Uncaught Exception
▤

Affected Products & Versions

4
eprosima fast dds>= 2.6.0 and < 2.6.5
eprosima fast dds>= 2.9.0 and < 2.9.2
eprosima fast dds>= 2.10.0 and < 2.10.2
debian linuxall versions
▣

Scoring & Timeline

8.2
HIGH · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Aug 2023 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
usnUSN-6306-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bombshell.gtisc.gatech.edu/ddsfuzz/pcap/fastdds-exception-20230509-02.pcapThird Party Advisory
https://github.com/eProsima/Fast-CDR/blob/v1.0.26/src/cpp/Cdr.cpp#L72-L79Third Party Advisory
https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-2rq6-8j7x-frr9Third Party Advisory
https://www.debian.org/security/2023/dsa-5481Third Party Advisory
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