Home/CVE/Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group). I
CVE

CVE-2023-42459

Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group). I

Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group). In affected versions specific DATA submessages can be sent to a discovery locator which may trigger a free error. This can remotely crash any Fast-DDS process.

The call to free() could potentially leave the pointer in the attackers control which could lead to a double free. This issue has been addressed in versions 2.12.0, 2.11.3, 2.10.3, and 2.6.7. Users are advised to upgrade.

There are no known workarounds for this vulnerability.

HIGH · CVSS 8.6 EPSS 0.0022
Act now
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-415Double Free
CWE-415Double Free
CWE-416Use After Free
CWE-590Free of Memory not on the Heap
▤

Affected Products & Versions

3
eprosima fast dds< 2.6.7
eprosima fast dds>= 2.10.0 and < 2.10.3
eprosima fast dds>= 2.11.0 and <= 2.11.1
⚠

Public Exploits & PoCs

1
pocgithub.com · 3207github.com
▣

Scoring & Timeline

8.6
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 NVD16 Oct 2023 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
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.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/eProsima/Fast-DDS/pull/3824Patch
https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-gq8g-fj58-22gmVendor Advisory
https://www.debian.org/security/2023/dsa-5568Mailing List
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