Vault Community and Vault Enterprise (“Vault”) clusters using Vault’s Integrated Storage backend are vulnerable to a denial-of-service (DoS) attack through memory exhaustion through a Raft cluster join API endpoint . An attacker may send a large volume of requests to the endpoint which may cause Vault to consume excessive system memory resources, potentially leading to a crash of the underlying system and the Vault process itself. This vulnerability, CVE-2024-8185, is fixed in Vault Community 1.18.1 and Vault Enterprise 1.18.1, 1.17.8, and 1.16.12.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| github.com/hashicorp/vault(Go) | 1.2.0 | 1.18.1 | N/A |
| github.com/openbao/openbao(Go) | 0 | 2.0.3 | N/A |
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