[BBLISA] Fun with nosetuid!

[Theo Van Dinter]

On Tue, Jan 15, 2008 at 05:56:28PM -0500, Scott Ehrlich wrote:
> On an unpatched Centos 4.4 system I chmod'd /usr/bin/sudo to ug+s, and set 
> the filesystem in /etc/fstab to defaults,nosetuid.  Reboot, and am told 
> sudo needs to be set to setuid root.

So you made /usr/bin/sudo setuid and setgid, then changed the filesystem which
holds /usr/bin/sudo to be mounted as nosetuid.

> What am I missing?

If the fs is mounted nosetuid, then setuid executables won't get to setuid. :)

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