Icinga 2 has a TLS Certificate Validation Bypass for JSON-RPC and HTTP API Connections
Vulnerability Description
Icinga is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. The TLS certificate validation in all Icinga 2 versions starting from 2.4.0 was flawed, allowing an attacker to impersonate both trusted cluster nodes as well as any API users that use TLS client certificates for authentication (ApiUser objects with the client_cn attribute set). This vulnerability has been fixed in v2.14.3, v2.13.10, v2.12.11, and v2.11.12.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2024-49369
Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/Icinga/icinga2/security/advisories/GHSA-j7wq-r9mg-9wpv
- https://github.com/Icinga/icinga2/commit/0419a2c36de408e9a703aec0962061ec9a285d3c
- https://github.com/Icinga/icinga2/commit/2febc5e18ae0c93d989e64ebc2a9fd90e7205ad8
- https://github.com/Icinga/icinga2/commit/3504fc7ed688c10d86988e2029a65efc311393fe
- https://github.com/Icinga/icinga2/commit/869a7d6f0fe38c748e67bacc1fbdd42c933030f6
- https://github.com/Icinga/icinga2/commit/8fed6608912c752b337d977f730547875a820831
- https://icinga.com/blog/2024/11/12/critical-icinga-2-security-releases-2-14-3
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