{"id":44,"date":"2022-08-10T15:08:27","date_gmt":"2022-08-10T07:08:27","guid":{"rendered":"https:\/\/fushuling.com\/?p=44"},"modified":"2022-08-11T12:52:53","modified_gmt":"2022-08-11T04:52:53","slug":"phar%e6%96%87%e4%bb%b6-%e5%af%b9php%e5%8f%8d%e5%ba%8f%e5%88%97%e5%8c%96%e6%bc%8f%e6%b4%9e%e5%88%a9%e7%94%a8%e7%9a%84%e6%8b%93%e5%b1%95","status":"publish","type":"post","link":"https:\/\/fushuling.com\/index.php\/2022\/08\/10\/phar%e6%96%87%e4%bb%b6-%e5%af%b9php%e5%8f%8d%e5%ba%8f%e5%88%97%e5%8c%96%e6%bc%8f%e6%b4%9e%e5%88%a9%e7%94%a8%e7%9a%84%e6%8b%93%e5%b1%95\/","title":{"rendered":"phar\u6587\u4ef6–\u5bf9php\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u5229\u7528\u7684\u62d3\u5c55"},"content":{"rendered":"\n

[HMGCTF2022]Fan Website<\/h2>\n\n\n\n

\u9996\u5148\u8fdb\u5165\u9898\u76ee\uff0c\u5f88\u7b80\u5355\u7684\u9875\u9762\uff0c\u4f3c\u4e4e\u662f\u4e2a\u7ba1\u7406\u7cfb\u7edf\uff0c\u5148\u62ff\u5fa1\u5251\u626b\u4e00\u4e0b\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u76f4\u63a5\u5c31\u626b\u5230\u5907\u4efd\u6587\u4ef6\u4e86<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u91cc\u9762\u7684\u6587\u4ef6\u6709\u70b9\u770b\u4e0d\u61c2\uff0c\u767e\u5ea6\u4e86\u4e00\u4e0b\uff0c\u8fd9\u79cd\u88ab\u79f0\u4f5claminas\u6846\u67b6\uff0c\u800cmvc<\/a>\u7684\u6846\u67b6\u9996\u5148\u5c31\u662f\u770b\u8def\u7531\u5728\\module\\Album\\src\\Controller\\AlbumController.php\u91cc\u9762\u6709\u529f\u80fd\u70b9\u3002<\/p>\n\n\n\n

<?php\nnamespace Album\\Controller;\n\nuse Album\\Model\\AlbumTable;\nuse Laminas\\Mvc\\Controller\\AbstractActionController;\nuse Laminas\\View\\Model\\ViewModel;\nuse Album\\Form\\AlbumForm;\nuse Album\\Form\\UploadForm;\nuse Album\\Model\\Album;\n\nclass AlbumController extends AbstractActionController\n{\n    \/\/ Add this property:\n    private $table;\n    private $white_list;\n\n    public function __construct(AlbumTable $table){\n        $this->table = $table;\n        $this->white_list = array('.jpg','.jpeg','.png');\n    }\n\n    public function indexAction()\n    {\n        return new ViewModel([\n            'albums' => $this->table->fetchAll(),\n        ]);\n    }\n\n    public function addAction()\n    {\n        $form = new AlbumForm();\n        $form->get('submit')->setValue('Add');\n\n        $request = $this->getRequest();\n\n        if (! $request->isPost()) {\n            return ['form' => $form];\n        }\n\n        $album = new Album();\n        $form->setInputFilter($album->getInputFilter());\n        $form->setData($request->getPost());\n\n        if (! $form->isValid()) {\n            return ['form' => $form];\n        }\n\n        $album->exchangeArray($form->getData());\n        $this->table->saveAlbum($album);\n        return $this->redirect()->toRoute('album');\n    }\n\n\n    public function editAction()\n    {\n        $id = (int) $this->params()->fromRoute('id', 0);\n\n        if (0 === $id) {\n            return $this->redirect()->toRoute('album', ['action' => 'add']);\n        }\n\n        \/\/ Retrieve the album with the specified id. Doing so raises\n        \/\/ an exception if the album is not found, which should result\n        \/\/ in redirecting to the landing page.\n        try {\n            $album = $this->table->getAlbum($id);\n        } catch (\\Exception $e) {\n            return $this->redirect()->toRoute('album', ['action' => 'index']);\n        }\n\n        $form = new AlbumForm();\n        $form->bind($album);\n        $form->get('submit')->setAttribute('value', 'Edit');\n\n        $request = $this->getRequest();\n        $viewData = ['id' => $id, 'form' => $form];\n\n        if (! $request->isPost()) {\n            return $viewData;\n        }\n\n        $form->setInputFilter($album->getInputFilter());\n        $form->setData($request->getPost());\n\n        if (! $form->isValid()) {\n            return $viewData;\n        }\n\n        $this->table->saveAlbum($album);\n\n        \/\/ Redirect to album list\n        return $this->redirect()->toRoute('album', ['action' => 'index']);\n    }\n\n\n    public function deleteAction()\n    {\n        $id = (int) $this->params()->fromRoute('id', 0);\n        if (!$id) {\n            return $this->redirect()->toRoute('album');\n        }\n\n        $request = $this->getRequest();\n        if ($request->isPost()) {\n            $del = $request->getPost('del', 'No');\n\n            if ($del == 'Yes') {\n                $id = (int) $request->getPost('id');\n                $this->table->deleteAlbum($id);\n            }\n\n            \/\/ Redirect to list of albums\n            return $this->redirect()->toRoute('album');\n        }\n\n        return [\n            'id'    => $id,\n            'album' => $this->table->getAlbum($id),\n        ];\n    }\n\n\n    public function imgdeleteAction()\n    {\n        $request = $this->getRequest();\n        if(isset($request->getPost()['imgpath'])){\n            $imgpath = $request->getPost()['imgpath'];\n            $base = substr($imgpath,-4,4);\n            if(in_array($base,$this->white_list)){     \/\/\u767d\u540d\u5355\n                @unlink($imgpath);\n            }else{\n                echo 'Only Img File Can Be Deleted!';\n            }\n        }\n    }\n    public function imguploadAction()\n    {\n        $form = new UploadForm('upload-form');\n\n        $request = $this->getRequest();\n        if ($request->isPost()) {\n            \/\/ Make certain to merge the $_FILES info!\n            $post = array_merge_recursive(\n                $request->getPost()->toArray(),\n                $request->getFiles()->toArray()\n            );\n\n            $form->setData($post);\n            if ($form->isValid()) {\n                $data = $form->getData();\n                $base = substr($data[\"image-file\"][\"name\"],-4,4);\n                if(in_array($base,$this->white_list)){   \/\/\u767d\u540d\u5355\u9650\u5236\n                    $cont = file_get_contents($data[\"image-file\"][\"tmp_name\"]);\n                    if (preg_match(\"\/<\\?|php|HALT\\_COMPILER\/i\", $cont )) {\n                        die(\"Not This\");\n                    }\n                    if($data[\"image-file\"][\"size\"]<3000){\n                        die(\"The picture size must be more than 3kb\");\n                    }\n                    $img_path = realpath(getcwd()).'\/public\/img\/'.md5($data[\"image-file\"][\"name\"]).$base;\n                    echo $img_path;\n                    $form->saveImg($data[\"image-file\"][\"tmp_name\"],$img_path);\n                }else{\n                    echo 'Only Img Can Be Uploaded!';\n                }\n                \/\/ Form is valid, save the form!\n                \/\/return $this->redirect()->toRoute('upload-form\/success');\n            }\n        }\n\n        return ['form' => $form];\n    }\n\n}<\/code><\/pre>\n\n\n\n
\u663e\u7136\u8fd9\u91cc\u6709\u4e2a\u6587\u4ef6\u4e0a\u4f20\u7684\u51fd\u6570\uff1apublic function imguploadAction()<\/p>\n\n\n\n
public function imguploadAction()
{
$form = new UploadForm(‘upload-form’);<\/p>\n\n\n\n
    $request = $this->getRequest();\n    if ($request->isPost()) {\n        \/\/ Make certain to merge the $_FILES info!\n        $post = array_merge_recursive(\n            $request->getPost()->toArray(),\n            $request->getFiles()->toArray()\n        );\n\n        $form->setData($post);\n        if ($form->isValid()) {\n            $data = $form->getData();\n            $base = substr($data[\"image-file\"][\"name\"],-4,4);\n            if(in_array($base,$this->white_list)){   \/\/\u767d\u540d\u5355\u9650\u5236\n                $cont = file_get_contents($data[\"image-file\"][\"tmp_name\"]);\n                if (preg_match(\"\/<\\?|php|HALT\\_COMPILER\/i\", $cont )) {\n                    die(\"Not This\");\n                }\n                if($data[\"image-file\"][\"size\"]<3000){\n                    die(\"The picture size must be more than 3kb\");\n                }\n                $img_path = realpath(getcwd()).'\/public\/img\/'.md5($data[\"image-file\"][\"name\"]).$base;\n                echo $img_path;\n                $form->saveImg($data[\"image-file\"][\"tmp_name\"],$img_path);\n            }else{\n                echo 'Only Img Can Be Uploaded!';\n            }\n            \/\/ Form is valid, save the form!\n            \/\/return $this->redirect()->toRoute('upload-form\/success');\n        }\n    }\n\n    return ['form' => $form];\n}<\/code><\/pre>\n\n\n\n
\u9650\u5236\u6709\u70b9\u591a\uff0c\u9996\u5148\u5165\u773c\u53ef\u89c1\u7684\u662f\u767d\u540d\u5355\u9650\u5236\uff0c\u9650\u5236\u4e86\u4e0a\u4f20\u6587\u4ef6\u7684\u540e\u7f00\u540d\uff1a<\/p>\n\n\n\n
$this->white_list = array('.jpg','.jpeg','.png')<\/code><\/pre>\n\n\n\n
\u7136\u540e\u6709\u4e2a\u8fc7\u6ee4\uff1a<\/p>\n\n\n\n
\/<\\?|php|HALT_COMPILER\/i<\/code><\/pre>\n\n\n\n
phar\u6587\u4ef6\u6d45\u6790<\/h2>\n\n\n\n
\u8fd9\u4e2a __HALT_COMPILER\u6709\u70b9\u5947\u602a\uff0c\u767e\u5ea6\u4e86\u4e00\u4e0b\uff0c\u8fd9\u4e2a\u4e1c\u897f\u662f phar \u6269\u5c55\u8bc6\u522b\u7684\u6807\u5fd7\uff0c\u662f\u4e00\u79cd\u6211\u4e4b\u524d\u95fb\u6240\u672a\u95fb\u7684\u4e1c\u897f\uff0c\u540e\u9762\u5bf9\u4e8ephar\u7684\u6d45\u6790\u53c2\u89c1\u5927\u4f6c\u6587\u7ae0<\/a> \uff1a<\/p>\n\n\n\n
\u901a\u5e38\u5229\u7528\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u7684\u65f6\u5019\uff0c\u53ea\u80fd\u5c06\u53cd\u5e8f\u5217\u5316\u540e\u7684\u5b57\u7b26\u4e32\u4f20\u5165\u5230unserialize()\u4e2d\uff0c\u8fd9\u79cd\u6f0f\u6d1e\u968f\u7740\u4ee3\u7801\u5b89\u5168\u6027\u7684\u63d0\u9ad8\u4e4b\u540e\u96be\u4ee5\u5229\u7528\u3002\u57282018\u5e74\u7684Black Hat\u4f1a\u8bae\u4e0a\uff0cSam Thomas\u63d0\u51fa\u4e86\u5229\u7528phar\u6587\u4ef6\u4f1a\u4ee5\u5e8f\u5217\u5316\u5b57\u7b26\u4e32\u7684\u5f62\u5f0f\u5b58\u50a8\u7528\u6237\u81ea\u5b9a\u4e49\u7684meta_data\u8fd9\u4e00\u70b9\u7279\u6027\uff0c\u62d3\u5c55\u4e86php\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u7684\u653b\u51fb\u3002\u8be5\u65b9\u6cd5\u4f9d\u8d56\u4e8e\u6587\u4ef6\u7cfb\u7edf\u7684\u51fd\u6570\uff08file_exists()\u3001is_dir()\u7b49\uff09\u53c2\u6570\u53ef\u63a7\u7684\u60c5\u51b5\u4e0b\uff0c\u914d\u5408phar:\/\/\u4f2a\u534f\u8bae\u5bf9phar\u6587\u4ef6\u5185\u5bb9\u7684\u89e3\u6790\uff0c\u81ea\u52a8\u53cd\u5e8f\u5217\u5316meta_data\u4e2d\u7684\u5185\u5bb9\uff0c\u53ef\u4ee5\u4e0d\u4f9d\u8d56\u4e8eunserialize()\u8fdb\u884c\u53cd\u5e8f\u5217\u5316\u64cd\u4f5c\u3002<\/p><\/blockquote>\n\n\n\n
\u4ec0\u4e48\u662fphar\u6587\u4ef6<\/strong><\/p>\n\n\n\n