su: not running setuid
ccowart at rescomp.berkeley.edu
Mon Oct 22 13:22:06 PDT 2007
On Mon, Oct 22, 2007 at 06:51:48PM +0000, Mayank Jain wrote:
> Hi all,
> I have run chown -R uname:wheel . as root in the / directory. Now it is not
> allowing me to log in as su.
> Giving the following error
> su: not running setuid
> I have also tried su -l but still same error. Can any body suggest me some
> solution to this problem.
> uname -a
> FreeBSD mayankjain.in.niksun.com 6.2-RC1-p1 FreeBSD 6.2-RC1-p1 #0: Mon Dec 4
> 09:56:16 UTC 2006
> root at i386-builder.daemonology.net:/usr/obj/usr/src/sys/SMP i386
> I have also tried following but it didn't allow me to do so.
> chown root:wheel /usr/bin/su
> chown: /usr/bin/su: Operation not permitted
Unless you can find some local privilege escalation exploit, I'm
thinking you're stuck. You can probably fix it in single-user mode:
* Pick single user mode from the boot menu
* Accept the default shell
$ fsck -p
$ mount -u /
$ mount -a -t ufs
$ chown root /usr/bin/su
But if the command above ran to completion, you probably have a mess of
permissions on your filesystem. You may want to look into rebuilding /
reinstalling world while you're in single.
Lead Systems Administrator
Network & Infrastructure Services, RSSP-IT
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