Shellshock Vulnerability on GNU Bash environment

You see this notification pop up:

"Shellshock Vulnerability"

Why did this happen?

A device vulnerable to command execution attacks is detected in your network.

What are its risks?

• Attackers could execute arbitrary code and take control of the device.

What should I do next?

Update bash using Terminal. Enter these codes on the Terminal depending on the operating system:

For Debian and Ubuntu

"sudo apt-get install --only-upgrade bash"

For CentOS, Fedora and RHEL

"sudo yum update bash"

For macOS

1. Install brew to manage packages:

   "/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

2. Install the latest version:

   "brew install bash"

For other devices

• Make sure your router is updated to the latest patch or firmware. Show me how.
• Ensure Remote management is disabled by default if your router does not have a firmware fix available. Guide me.

What if I have more questions?

For more information, check out:

• CVE-2014-6271
• Bash Vulnerability Leads to Shellshock: What it is, How it Affects You