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Safer-Eval Sandbox Escape POC

safer-eval is a node JS library that supposedly provides a 'safe' way to 'eval' untrusted javascript.

As the maintainer warns in the README:

Warning: The saferEval function may be harmful - so you are warned!

However, it is still used by various libraries to parse/execute untrusted code in such a way that there is an implied

@barbixxxa
barbixxxa / install-jdk11.md
Last active January 3, 2024 21:09
java jdk 11 installation
  1. Download the latest JDK(jdk-11.0.5_linux-x64_bin.tar.gz) from the official site
  2. sudo mkdir /usr/lib/jvm
  3. cd /usr/lib/jvm
  4. sudo tar -xvzf ~/Downloads/jdk-11.0.5_linux-x64_bin.tar.gz
  5. sudo nano /etc/environment
  6. Edit the PATH and add the JAVA_HOME
PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/usr/lib/jvm/jdk-11/bin"
JAVA_HOME="/usr/lib/jvm/jdk-11"