Network Restriction Bypass in Data Sources in Grafana
Medium
- Advisory ID:
- CVE-2023-4399
- Published:
- 2023-10-12
- Product:
- Grafana
- CVSS Score:
- 6.6
- CVSS Vector:
- CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:L
Summary
Grafana is an open-source platform for monitoring and observability. In Grafana, Request security is a deny list that allows admins to configure Grafana in a way so that the instance doesn’t call specific hosts. However, the restriction can be bypassed used punycode encoding of the characters in the request address. Credits: leixiao of Syclover Security Team.