SB2024012441 - Multiple vulnerabilities in Fast DDS



SB2024012441 - Multiple vulnerabilities in Fast DDS

Published: January 24, 2024 Updated: April 9, 2026

Security Bulletin ID SB2024012441
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Improper access control (CVE-ID: CVE-2023-50257)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote user can bypass implemented security restrictions and gain unauthorized access to the application.


2) Use-after-free (CVE-ID: CVE-2023-50716)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to a bad free of uninitialized memory in MessageReceiver::proc_Submsg_DataFrag when processing a crafted DATA_FRAG submessage. A remote attacker can send a specially crafted DATA_FRAG packet to cause a denial of service.

The issue is reachable over the adjacent network via UDP transport and does not require user interaction.


Remediation

Install update from vendor's website.