Main Vulnerability Database Vulnerabilities #VU83615

Double Free in Fast DDS - CVE-2023-42459

Published: December 1, 2023

Vulnerability identifier: #VU83615

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-42459

CWE-ID: CWE-415

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when processing DATA submessages. A remote attacker can pass a specially crafted DATA submessage to the application, trigger a double free error and crash the application.

Affected software

Fast DDS
Debian Linux
fastdds (Debian package)

How to mitigate CVE-2023-42459

Install updates from vendor's website.

Fast DDS - update to 2.12.0
fastdds (Debian package) - update to 2.9.1+ds-1+deb12u2

External References

https://github.com/eProsima/Fast-DDS/pull/3824
https://github.com/eProsima/Fast-DDS/issues/3207
https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-gq8g-fj58-22gm
https://www.debian.org/security/2023/dsa-5568

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