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CVE-2023-6337

Published: 08/12/2023 Updated: 12/01/2024
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 0

Vulnerability Summary

HashiCorp Vault and Vault Enterprise 1.12.0 and newer are vulnerable to a denial of service through memory exhaustion of the host when handling large unauthenticated and authenticated HTTP requests from a client. Vault will attempt to map the request to memory, resulting in the exhaustion of available memory on the host, which may cause Vault to crash. Fixed in Vault 1.15.4, 1.14.8, 1.13.12.

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hashicorp vault

Github Repositories

https://github.com/bbhorrigan/Vaulthcsec

HCSEC-2023-34 Example

Doing some testing for the memory exhaustion issue that is in CVE-2023-6337

References

CWE-770https://discuss.hashicorp.com/t/hcsec-2023-34-vault-vulnerable-to-denial-of-service-through-memory-exhaustion-when-handling-large-http-requests/60741https://security.netapp.com/advisory/ntap-20240112-0006/https://nvd.nist.govhttps://github.com/bbhorrigan/Vaulthcsec
VMScore
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2023-49223CVE-2024-0044information disclosureCVE-2024-35753HTML injectionCVE-2024-21306CVE-2024-35733SQL injectionCVE-2024-35732
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