Grafana SQL Expressions → DuckDB LFI (CVE-2024-9264)
# Day 5 – Grafana SQL Expressions → DuckDB LFI (CVE-2024-9264)
**TL;DR:** On affected Grafana 11.x builds, a logged-in Viewer can use **SQL Expressions**.
Grafana forwards the expression to **DuckDB** on the server. With `read_text()` / `read_blob()`,
you can read local files (LFI). We plant a flag at `/opt/flag.txt`.
## Build → Run
```bash
docker build -t day5-grafana .
docker rm -f day5 2>/dev/null || true
docker run -d --name day5 -p 3000:3000 day5-grafana
登录后查看神龙缓存的 POC 文件快照
登录查看