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#VERSION,2.08
# $Id: nikto_outdated.plugin 632 2011-02-19 02:49:31Z sullo $
###############################################################################
# Copyright (C) 2006 CIRT, Inc.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 2
# of the License only.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
###############################################################################
# PURPOSE:
# Check for outdated items in banner
###############################################################################
sub nikto_outdated_init {
my $id = { name => "outdated",
full_name => "Outdated",
author => "Sullo",
description => "Checks to see whether the web server is the latest version.",
copyright => "2008 CIRT Inc.",
hooks => { scan => { method => \&nikto_outdated, }, },
};
return $id;
}
sub nikto_outdated {
return if $mark->{'terminate'};
my ($mark) = @_;
# populate @BUILDITEMS with appropriate values
# if Apache, split on space...
if ($mark->{'banner'} =~ /apache/i) {
foreach my $item (split(/ /, $mark->{'banner'})) {
$mark->{'components'}->{$item} = 1;
}
}
elsif ($mark->{'banner'} =~ /weblogic/i) # strip all the date info...
{
my @T = split(/ /, $mark->{'banner'});
$mark->{'components'}->{ $T[0] . '\/' . $T[1] } = 1;
}
elsif ($mark->{'banner'} =~ /sitescope/i) # strip all the date info...
{
my @T = split(/ /, $mark->{'banner'});
$mark->{'components'}->{ $T[0] } = 1;
}
else {
if ($mark->{'banner'} !~ /\s/) # has no spaces
{
$MATCHSTRING = $mark->{'banner'};
}
elsif ($mark->{'banner'} =~ /\//) # has spaces and / sepr
{
$MATCHSTRING = $mark->{'banner'};
$MATCHSTRING =~ s/\s+//g;
}
else # must create sepr
{
# use the last non 0-9 . a-z char as a sepr (' ', '-', '_' etc)
my $sepr = $mark->{'banner'};
$sepr =~ s/[a-zA-Z0-9\.\(\)]//gi;
$sepr = substr($sepr, (length($sepr) - 1), 1);
# $sepr=~ s/\s+/ /g;
# break up ID string on $sepr
my @T = split(/$sepr/, $mark->{'banner'});
# assume last is version...
for ($i = 0 ; $i < $#T ; $i++) { $MATCHSTRING .= "$T[$i] "; }
}
$MATCHSTRING =~ s/\s+$//;
$mark->{'components'}->{$MATCHSTRING} = 1;
nprint("Server Version String:$MATCHSTRING", "d");
}
my ($v, $V, $BI, $k) = "";
foreach $BI (keys %{ $mark->{'components'} }) {
my $have_match = 0;
foreach $V (sort keys %OVERS) {
next if $V eq '';
if ($BI =~ /^$V/i) # software name matched
{
$have_match = 1;
foreach $k (keys %{ $OVERS{$V} }) {
if ($k eq "") { next; }
if ($k eq "tid") { next; }
$v = $k;
}
if (vereval($v, $BI, $V, $mark)) # version check
{
my $msg = $OVERS{$V}{$v};
$msg =~ s/\@RUNNING_VER/$BI/g;
$msg =~ s/\@CURRENT_VER/$v/g;
chomp($msg);
add_vulnerability($mark, $msg, $OVERS{$V}{'tid'}, 0, "HEAD");
}
}
}
if (!$have_match) { $mark->{'components'}->{'$BI'} = 2; }
}
return;
}
sub vereval {
# split both by last char of @_[0], as it is the name to version separator
my $sepr = substr($_[2], (length($_[2]) - 1), 1);
nprint("nikto_outdated.plugin: verstring: $_[2], sepr:$sepr", "d");
my $CURRENT = lc($_[0]);
my $RUNNING = lc($_[1]);
my $CURRENT_ORIG = $CURRENT;
my $RUNNING_ORIG = $RUNNING;
my $mark = $_[3];
nprint("nikto_outdated.plugin: \$CURRENT:$CURRENT:\$RUNNING:$RUNNING:", "d");
my @T = split(/$sepr/, $CURRENT);
$CURRENT = $T[$#T]; # should be version...
@T = split(/$sepr/, $RUNNING);
$RUNNING = $T[$#T]; # should be version...
# convert alphas to numerics so we can do a real comparison
$CURRENT =~ s/([^0-9\.]){1}/"." . ord($1) . "."/eg;
$RUNNING =~ s/([^0-9\.]){1}/"." . ord($1) . "."/eg;
$RUNNING =~ s/\.+/\./g;
$CURRENT =~ s/\.+/\./g;
$RUNNING =~ s/^\.//;
$CURRENT =~ s/^\.//;
$RUNNING =~ s/\.$//;
$CURRENT =~ s/\.$//;
nprint("nikto_outdated.plugin: \$CURRENT:$CURRENT:\$RUNNING:$RUNNING\: (after numberifcation)",
"d");
if (($CURRENT !~ /[a-z]/) && ($RUNNING !~ /[a-z]/)) {
@CUR = split(/\./, $CURRENT);
@RUN = split(/\./, $RUNNING);
}
else {
@CUR = split(//, $CURRENT);
@RUN = split(//, $RUNNING);
}
# Check to see whether the arrays both have the same length
if (scalar(@RUN) != scalar(@CUR)) {
add_vulnerability(
$mark,
"Number of sections in the version string differ from those in the database, the server reports: $RUNNING_ORIG while the database has: $CURRENT. This may cause false positives.",
699999,
0,
"HEAD"
);
}
# start with 0... eval each in turn...
for (my $i = 0 ; $i <= $#CUR ; $i++) {
nprint("nikto_outdated.plugin: major compare: \$CUR[$i]:$CUR[$i]: \$RUN[$i]:$RUN[$i]:",
"d");
if ($CUR[$i] > $RUN[$i]) { return 1; } # running is older
if (($CUR[$i] ne "") && ($RUN[$i] eq "")) { return 1; } # running is older
if ($CUR[$i] < $RUN[$i]) # running is newer
{
my $string = $_[1];
$string =~ s/\s/\%20/g;
$mark->{'components'}->{$string} = 2;
return 0;
}
}
return 0; # running is the same version if we make it here
}
1;
|
