On Wed, Apr 25, 2012 at 07:15, Christopher Zimmermann wrote:
As requested, here's the same test case a little more readable:
This leaves a backdoor open (possibly in the saved UID):
Yes, if you don't clear the saved uid, you can still switch back to
it. You should use setresuid if it's
As requested, here's the same test case a little more readable:
This leaves a backdoor open (possibly in the saved UID):
==
#!/usr/bin/perl -wT
use strict;
use English qw(-no_match_vars);
sub ids { print RUID=$REAL_USER_ID EUID=$EFFECTIVE_USER_ID\n }
ids;
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