[clue-tech] Using SUID to downgrade root's access

[Angelo Bertolli]

David Anselmi wrote:

> Angelo Bertolli wrote:
>
>> I've been trying to set the SUID bit to make an executable (in this 
>> case a shell script) run as a certain user.  In particular this is 
>> something I'd like to be run as "nobody."  So I used `chown nobody` 
>> and `chmod u+s`
>
>
> This:
>
> http://scrye.com/~kevin/lsh/april-99/Security-HOWTO-5.html
>
> says (just before section 5.3) that the kernel ignores SUID on shell 
> scripts.  That's what I've always heard so probably you can't do it. 


Yep, that was it.  Thanks.