Comment # 4 on bug 956251 from Vojtech Zeisek

(In reply to Ladislav Slez�k from comment #1)
> The default is to ask the target (root) password, if you want to use the
> user's passwords, you need to manually change this. Replace:
> 
> Defaults        targetpw
> 
> by
> 
> Defaults        !targetpw
> 
> in the /etc/sudoers file.

OK, this works, but I'd then suggest to add an option to YaST Sudo module, as
this is extremely confusing. One would expect sudo working with user's password
by default or at least to set this in YaST Sudo module together with another
sudo options.