Denial of service in HashiCorp Vault
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-45042 |
| CWE-ID | CWE-264 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Vault Enterprise Web applications / Modules and components for CMS Vault Web applications / Modules and components for CMS |
| Vendor | HashiCorp |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU66116
Risk: Low
CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-45042
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly impose security restrictions in clusters using the Integrated Storage backend. A remote user with write permissions to a kv secrets engine can cause a panic and denial of service of the storage backend.
MitigationInstall updates from vendor's website.
Vulnerable software versionsVault Enterprise: 1.4.0 - 1.9.0
Vault: 1.4.0 - 1.9.0
External linkshttp://discuss.hashicorp.com/t/hcsec2-21-33-vault-s-kv-secrets-engine-with-integrated-storage-exposed-to-authenticated-denial-of-service/33157
http://www.hashicorp.com/blog/category/vault
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
