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A comment on CVE-2014-6271: Remote code execution through bash. Parent comment

Re:CVE-2014-6271: Remote code execution through bash by navbaker on Wednesday September 24, 2014 @06:53PM (#8364616)
I'm a relative newcomer to the command line and have been Googling around for what exactly the () {:;} is doing with no luck. Does anyone have a good link or explanation?
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Re:CVE-2014-6271: Remote code execution through bash by fragmede on Wednesday September 24, 2014 @07:24PM (#8364713)
() makes a function { is the function body : is an ancient 'command' that does nothing ; is says run the : command } closes the function body.
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Re:CVE-2014-6271: Remote code execution through bash by navbaker on Thursday September 25, 2014 @01:10PM (#8368246)
Got it, thanks!
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