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try this in a bash shell

env X="() { :;} ; echo shellshock" which bash -c "echo completed"

if you see shellshock printed , update your bash

try this in a bash shell

env X="() { :;} ; echo shellshock" which bash `which bash` -c "echo completed"

if you see shellshock printed , update your bash

try this in a bash shell

env X="() { :;} ; echo shellshock" `which bash` \`which bash\` -c "echo completed"completed"

if you see shellshock printed , update your bashbash

try this in a bash shell

env X="() { :;} ; echo shellshock" \`which bash\` `which bash` -c "echo completed"

if you see shellshock printed , update your bash

try this in a bash shell

env X="() { :;} ; echo shellshock" `which bash` -c "echo completed"

if you see shellshock printed , update your bash

PS: at now no security update is in repos for fc20 , if your you need to patch it urgently you can get it from koji

WARNING !!! , this is a temporary solution for public web server hosting cgi+bash script, if not, wait for the official update

yum update https://kojipkgs.fedoraproject.org//packages/bash/4.2.47/4.fc20/x86_64/bash-4.2.47-4.fc20.x86_64.rpm

try this in a bash shell

env X="() { :;} ; echo shellshock" `which bash` -c "echo completed"

if you see shellshock printed , update your bash

PS: at package are now no security update is in repos ready for fc20 , if your you need to patch it urgently you can get it from koji fedora20

WARNING !!! , this is a temporary solution for public web server hosting cgi+bash script, if not, wait for the official update

yum update https://kojipkgs.fedoraproject.org//packages/bash/4.2.47/4.fc20/x86_64/bash-4.2.47-4.fc20.x86_64.rpm

try this in a bash shell

env X="() { :;} ; echo shellshock" `which bash` -c "echo completed"

if you see shellshock printed , update your bash

PS: UPDATE: package are now ready for fedora20

try this in a bash shell

env X="() { :;} ; echo shellshock" `which bash` -c "echo completed"

if you see shellshock printed , update your bash

UPDATE: bash package are is now ready for fedora20

try this in a bash shell

env X="() { :;} ; echo shellshock" `which bash` -c "echo completed"

if you see shellshock printed , update your bash

UPDATE: bash package is now ready for fedora20fedora 19 to 21