If you’ve used the command line in Linux or a Unix-based platform like macOS, you’re probably familiar with the “sudo” command — it lets you run tasks with different (usually elevated) permissions than you’d otherwise have. It’s powerful, but it was apparently toopowerful until now. Developers have fixed a flaw in sudo that let you claim root-level access even if the configuration explicitly forbids it. So long as an intruder had enough access to run sudo in the first place, they could perform any action they wanted on a given machine.
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