streamline package installation

Author: philippnormann

docker/Dockerfile

@@ -5,9 +5,9 @@ ENV  DEBIAN_FRONTEND=noninteractive
 
 # 0 - core packages
 RUN apt-get update && \
-    apt-get install -y --no-install-recommends \
-        openssh-server sudo gcc make curl wget python3 && \
-    apt-get clean && rm -rf /var/lib/apt/lists/*
+    apt-get upgrade -y && \
+    apt-get install -y openssh-server && \
+    apt-get autoremove -y
 
 # 1 - users / passwords (root: aim8Du7h - lowpriv: trustno1)
 RUN useradd -m -s /bin/bash lowpriv && \

docker/scenarios/04_vuln_sudo_gtfo_interactive.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
 set -e
-apt-get update && apt-get install -y sudo && apt-get clean
+apt-get update && apt-get install -y sudo less man && apt-get clean
 echo "lowpriv ALL=(ALL) NOPASSWD:/usr/bin/less, /usr/bin/man" > /etc/sudoers.d/gtfo-int
 chmod 440 /etc/sudoers.d/gtfo-int