shellshock, Unix Bash shell vulnerabilities plague
Unix and linux Bash shell vulnerabilities plague is a hot topic these days at most of the online forums and blogs even there are some tech related magazine who are also take it so serious that putting their effort for this subject. We are that the topic could be important but how many of us really know about the basic of this issue ?
Linux VS Unix:
there are only few who are able to use linux , while also there are person who didn’t know even difference between what is linux is all about, and what is the function of Unix? Though its not the part of our subject but just for sake of the question which is asked that difference between both of them is their use ; both of them are open source operating system linux is used for computer hardware and software, game development, tablet PCS, mainframes while unix used for servers and workstations
a shell is a user interface for access to an operating system’s services and a Unix shell is a command-line interpreter that provides a traditional user interface for the Unix operating system while bash is just a Unix shell, it has long and brief description which can easily found between there are many blogs that have a brief information and introduction but anyway a vulnerability is a weakness which allows an attacker to reduce a system’s information assurance.
Although there is idea found against of them who think as Bash shell is vulnerable plague of linux but there is also suggestion also present that it’s no bug or exploit. Exploit which has discovered in bash is calculated for its presence for nearly 20 years of causing effects at linux web dashboard systems, and may be more damaging than Heartbleed but still all of this vulnerabilities bash shell has always worked this way, no system has ever been exploited.