Consul Server Panic when Ingress and API Gateways Configured with Peering Connections
A vulnerability was identified in Consul and Consul Enterprise (“Consul”) an authenticated user with service:write permissions could trigger a workflow that causes Consul server and client agents to crash under certain circumstances. To exploit this vulnerability, an attacker requires access to an ACL token with service:write permissions, and there needs to be at least one running ingress or API gateway that is configured to route traffic to an upstream service.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2023-0845US | medium6.5 | — | ||
Consul and Consul Enterprise allowed an authenticated user with service:write permissions to trigger a workflow that causes Consul server and client agents to crash under certain c… | ||||
references
External citations — patches, advisories, analysis.
- https://discuss.hashicorp.com/t/hcsec-2023-06-consul-server-panic-when-ingress-and-api-gateways-configured-with-peering-connections/51197WEB
- https://github.com/hashicorp/consulPACKAGE
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LYZOKMMVX4SIEHPJW3SJUQGMO5YZCPHCWEB
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XNF4OLYZRQE75EB5TW5N42FSXHBXGWFEWEB
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZTE4ITXXPIWZEQ4HYQCB6N6GZIMWXDAIWEB
- https://nvd.nist.gov/vuln/detail/CVE-2023-0845ADVISORY
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