How to protect Mac or Linux against Shellshock exploit aka Bash vulnerability

Apple Mac bash shellshock linux

Earlier we warned you about Heartbleed bug on OpenSSL. Now Unix systems have new bug called bash bug aka Shellshock. This is a serious bug in Unix based system like Mac, Linux and other open-source Linux distributions. Shellshock can use bash-scripts to intrude into Linux or Mac.  It can exploit by launching programs, enabling features, and accessing files. This is one big security hole that can lead to massive chain of attacks on Linux servers around the world. All bash versions equal to or below 3.2.51(1)-release are vulnerable to Shellshock threats. 

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