Using the Setuid Bit on Linux

NOTE: I’m not entirely sure the statements made about how Setuid works towards the end of this article are correct. It looks like Setuid is more complicated than I first thought, and I’m not guaranteeing the accuracy of the staements in this article. The Setuid bit makes a program get executed by whatever program owns a file, regardless of who is executing it. Consider we have an executable named task that is owned by root with the Setuid bit set....

September 3, 2022 · 3 min