A Critical remotely exploitable vulnerability has been discovered in the widely used Linux and Unix command-line shell, known as Bash, aka the GNU Bourne Again Shell, leaving countless websites, servers, PCs, OS X Macs, various home routers, and many more open to the cyber criminals
REMOTELY EXPLOITABLE SHELL SHOCK
The vulnerability (CVE-2014-6271) affects versions 1.14 through 4.3 of GNU Bash and being named as Bash Bug, and Shellshock by the Security researchers on the Internet discussions.
According to the technical details, a hacker could exploit this bash bug to execute shell commands remotely on a target machine using specifically crafted variables. “In many common configurations, this vulnerability is exploitable over the network,”