Kip Rugger wrote:
> Chris McDonough  <[EMAIL PROTECTED]> wrote:
> >Aplogies for the ignorance, but can you maybe explain the concept
> >of supplemental group ids and give an example of how the current unpatched
> >behavior could be subverted?
> I can try...
> Supplemental gids are useful for allowing a user to belong to more
> than one group, or maybe to more than one project in normal parlance.
> This is normally effected by listing the uid opposite more than one
> group in /etc/group.  The login process issues the initgroups(3) call
> to install these supplemental groups, which are inherited by all
> processes forked from the login shell.
> The problem is comes when you change user ids; for example what I
> saw with Zope (start -u nobody) was:
>                      before change           after change
>                      =============           ============
>      user id             root                   nobody
>      group id            root                   nobody
>      sup id(s)           root                   root

Would you mind describing how you determine this?

Do not meddle in the affairs of sysadmins, for they are easy to annoy,
and have the root password.

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