---
tags:
  - security
  - proof-of-concept
  - protobuf
license: mit
---

# Protocol Buffers DotnetSettings ignored_resources materialization DoS PoC

This repository contains a benign security research PoC for a `.pb` artifact
that drives repeated-string materialization during
`client_pb2.DotnetSettings.ParseFromString(...)`.

Files:

- `control_one_ignored_resource.pb`
- `malicious_ignored_resources_5000000.pb`
- `reproduce.py`