How to deal with bash loophole

Editor to share with you how to deal with bash loopholes, I hope you will gain something after reading this article, let's discuss it together!

Check to see if there are any bash vulnerabilities and execute them on the command line

# env echo this is a test'() {:;}; echo vulnerable' bash-c "echo this is a test"

If it appears

Vulnerable

This is a test

There is a bash loophole.

Simple solution:

# yum update bash

Test execution again by updating the bash package

# env echo this is a test'() {:;}; echo vulnerable' bash-c "echo this is a test"

As a result,

This is a test

Simple solution to openssl vulnerability

# yum update openssl

By updating the openssl package to the latest

After reading this article, I believe you have a certain understanding of "how to deal with bash vulnerabilities". If you want to know more about it, you are welcome to follow the industry information channel. Thank you for reading!