Double Free in Eprosima Fast-Dds

CVE-2023-42459

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.

Vulnerability class: Double Free

EPSS: 0.008 (55.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-42459?
CVE-2023-42459 is a high-severity vulnerability in Eprosima Fast-Dds, classified under Double Free. CVSS score: 8.6/10. Published 2023-10-16.
How severe is CVE-2023-42459?
High severity. CVSS v3 base score is 8.6 out of 10.