Christopher Cowart wrote:
Unless you can find some local privilege escalation exploit, I'm
thinking you're stuck. You can probably fix it in single-user mode:
* Reboot
* 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.
What about going to single user mode and editing /etc/passwd so the
"root" line has the username "uname"? Or add user "uname" with UID 0?
Regards,
Adam J Richardson
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