Why does Samba requires 777 permissions on /tmp

[Erich Dollansky]

Hi,

On Sun, 19 May 2013 07:06:46 +0100
Matthew Seaman <matthew at FreeBSD.org> wrote:

> On 19/05/2013 03:56, Erich Dollansky wrote:
> > Your problem must be caused by something else. At least, I cannot
> > remember to ever have seen /tmp with a different setting than 0777.
> 
> I hope you mean 1777 (drwxrwxrwt) there.  That sticky bit is

I only wanted to note that it is octal.

> important. Without it there are a number of nasty attack
> possibilities involving things like using a race condition and
> craftily modifying a sym-link to trick root into overwriting an
> important file.

I did not think of this at all when I have written my response. Of
course, it has to be set and it is set on my machine. I was focusing
only on the fact that all users of a system must be able to write
to /tmp.

Erich
> 
> 	Cheers,
> 
> 	Matthew
>