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AnalysisCVE-2014-6271

Shellshock: The Bash Bug Hiding in an Environment Variable

For years, Bash would run code smuggled into the end of an environment variable. Shellshock (CVE-2014-6271) turned that into remote code execution across a huge slice of the internet.

7 min read·#shellshock#bash#linux
Learn

Linux File Permissions: Reading rwx Without Fear

Those cryptic strings like rwxr-xr-x are simpler than they look. A beginner friendly guide to Linux file permissions, what the letters and numbers mean, and how to set them safely.

9 min read·#linux#permissions#fundamentals