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

CVE-2023-39534

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 2.10.0, 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.

HIGH · CVSS 7.5 EPSS 0.00111
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-617Reachable Assertion
▤

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 ddsall versions
debian linuxall versions
▣

Scoring & Timeline

7.5
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:N/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

5
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-assert-230509.pcapThird Party Advisory
https://github.com/eProsima/Fast-DDS/blob/v2.9.1/include/fastdds/rtps/common/SequenceNumber.h#L238-L252Third Party Advisory
https://github.com/eProsima/Fast-DDS/blob/v2.9.1/src/cpp/rtps/reader/StatefulReader.cpp#L863Third Party Advisory
https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-fcr6-x23w-94wpThird Party Advisory
https://www.debian.org/security/2023/dsa-5481Third Party Advisory
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