Re: File Permissions are incorrect. Security flaw in Linux

From: viro
Date: Wed Oct 01 2003 - 08:24:24 EST


On Wed, Oct 01, 2003 at 06:40:13AM -0600, Lisa R. Nelson wrote:
> [1.] One line summary of the problem:
> A low level user can delete a file owned by root and belonging to group
> root even if the files permissions are 744. This is not in agreement
> with Unix, and is a major security issue.

No, it's your well-earned F for Unix 101. You should focus on Unix permissions
model in general and sticky bit in particular when you take the course again.
Have a nice semester.
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