On Thu, Aug 21, 2003 at 12:39:00AM -0700 or thereabouts, Kris Kennaway wrote: > On Thu, Aug 21, 2003 at 01:58:54AM -0500, Dan Nelson wrote: > > > It does something similar, but uses a C-like language to control a > > processes actions. This lets you get extremely fine-grained control > > (allow httpd to bind to only port 80, once), but the rules run as > > "root", so they can grant as well as revoke privileges. A useful > > modification would be to allow users to submit their own policies that > > can only disallow actions (i.e. all arguments and process variables are > > read-only, and the script can either pass the syscall through or return > > a failure code, nothing else). > > Exercise for the reader: find a situation where the failure to perform > a syscall that normally succeeds, leads to privilege escalation :-)
setuid(), seteuid(), setruid() -- Josh > > Kris _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"
