What is CVE-2023-39947?

CVE-2023-39947 is a high-severity vulnerability in Eprosima Fast-dds, classified under Heap-based Buffer Overflow. CVSS score: 8.2/10. Published 2023-08-11.

How severe is CVE-2023-39947?

High severity. CVSS v3 base score is 8.2 out of 10.

Is CVE-2023-39947 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Eprosima Fast-dds

CVE-2023-39947

eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.11.1, 2.10.2, 2.9.2, and 2.6.6, even after the fix at commit 3492270, malformed `PID_PROPERTY_LIST` par…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (27.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.

Affected products

Eprosima Fast-dds — versions < 2.6.6, >= 2.7.0, < 2.9.2, >= 2.10.0, < 2.10.2

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-mf55-5747-c4pv (x_refsource_CONFIRM)
https://github.com/eProsima/Fast-DDS/commit/349227005827e8a67a0406b823138b5068cc47dc (x_refsource_MISC)
www.debian.org/security/2023/dsa-5481

Frequently asked questions

What is CVE-2023-39947?: CVE-2023-39947 is a high-severity vulnerability in Eprosima Fast-dds, classified under Heap-based Buffer Overflow. CVSS score: 8.2/10. Published 2023-08-11.
How severe is CVE-2023-39947?: High severity. CVSS v3 base score is 8.2 out of 10.
Is CVE-2023-39947 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.