#VU99577 Resource exhaustion in Vault and Vault Enterprise - CVE-2024-8185

Vulnerability identifier: #VU99577

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-8185

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Vault
Web applications / Modules and components for CMS
Vault Enterprise
Web applications / Modules and components for CMS

Vendor: HashiCorp

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources in the Raft cluster join API endpoint. A remote attacker can send multiple HTTP requests to the affected API endpoint and consume all available memory resources.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Vault: 1.2.0 - 1.2.7, 1.3.0 - 1.3.10, 1.4.0 - 1.4.7, 1.5.0 - 1.5.9, 1.6.0 - 1.6.7, 1.7.0 - 1.7.10, 1.8.0 - 1.8.12, 1.9.0 - 1.9.10, 1.10.0 - 1.18.0

Vault Enterprise: 1.2.0 - 1.2.7, 1.3.0 - 1.3.10, 1.4.0 - 1.4.7, 1.5.0 - 1.5.9, 1.6.0 - 1.6.7, 1.7.0 - 1.7.10, 1.8.0 - 1.8.12, 1.9.0 - 1.9.10, 1.10.0 - 1.18.0

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External links
https://discuss.hashicorp.com/t/hcsec-2024-26-vault-vulnerable-to-denial-of-service-through-memory-exhaustion-when-processing-raft-cluster-join-requests/71047
https://github.com/advisories/GHSA-g233-2p4r-3q7v

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.