su to root denied?

Kris Kennaway kris at obsecurity.org
Wed Dec 6 18:43:04 PST 2006


On Wed, Dec 06, 2006 at 07:52:50PM -0600, john Mish III wrote:
> I get this error message when I try to su to anything, either from root or 
> to root, and I don't know why.
> $ su
> su: not running setuid

Somehow your su application lost its setuid bit.  Instead of blinding
chmodding it you may want to be careful and replace it with a known
good binary in case someone overwrote it somehow.

Kris
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