Replaces vulnerable log4j files in a Unifi Controller setup

fix_unifi_log4j.sh

#!/usr/bin/env bash
set -e

read -p "Enter Unifi controller's container name: " container
curl -s https://dlcdn.apache.org/logging/log4j/2.15.0/apache-log4j-2.15.0-bin.tar.gz -o log4j.tar.gz
mkdir -p ./log4j && tar xzf log4j.tar.gz -C ./log4j --strip-components=1
cd log4j
for file in log4j-{api,core,slf4j-impl}-2.15.0.jar; do 
	docker cp "$file" "$container:/usr/lib/unifi/lib/"
done

docker exec -it "$container" /bin/bash -c "cd lib && for file in log4j-{api,core,slf4j-impl}-2.15.0.jar; do mv $file $(echo $file | sed 's/2.15.0/2.13.3/g'); done"
docker exec -it "$container" /bin/bash -c "cd lib && for file in log4j-{api,core,slf4j-impl}-2.13*.jar; do ls -la $file; done"
docker restart "$container"

echo "All done!"