What Patch Bash Vulnerability
If you can run the command, your bash has vulnerable.
env x='() { :;}; echo vulnerable' bash -c "echo this is a test"output is
vulnerable
echo this is a testSo, You have a bug that can be handle remote command executing.
Patch Bash Vulnerability
You just run
curl https://raw.githubusercontent.com/powerumc/Patch-Bash-Vulnerability/master/patch-bash-4.3.25.sh | shCompleted we get the patch.
env x='() { :;}; echo vulnerable' bash -c "echo this is a test"output is
bash: warning: x: ignoring function definition attempt
bash: error importing function definition for `x'
this is a test
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