env t='() { :;}; echo You are vulnerable.' bash -c "true"

在終端命令行中運行以上代碼，如果提示“You are vulnerable”，請馬上打上被丁.

Ubuntu or Debian 請執行

apt-get update -y

apt-get upgrade -y

RedHat, CentOS or Fedora 請執行

yum clean all

yum -y update bash

yum update -y

編譯升級bash

wget https://ftp.gnu.org/gnu/bash/bash-4.3.tar.gz

tar zxf bash-4.3.tar.gz ; cd bash-4.3

wget -r -nd -np https://ftp.gnu.org/gnu/bash/bash-4.3-patches/

for BP in `ls bash43-*|grep -v sig`; do patch -p0 < $BP; done

./configure

make && make install

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