Denial of service in Vault

1) Input validation error

EUVDB-ID: #VU61599

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-2022-21698

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input within method label cardinality. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Vault Enterprise: 1.0.0 - 1.9.4

CPE2.3

• cpe:2.3:a:hashicorp:vault_enterprise:1.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:hashicorp:vault_enterprise:1.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:hashicorp:vault_enterprise:1.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:hashicorp:vault_enterprise:1.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:hashicorp:vault_enterprise:1.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:hashicorp:vault_enterprise:1.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:hashicorp:vault_enterprise:1.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:hashicorp:vault_enterprise:1.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:hashicorp:vault_enterprise:1.1.4:*:*:*:*:*:*:*
• cpe:2.3:a:hashicorp:vault_enterprise:1.1.5:*:*:*:*:*:*:*

External links

https://github.com/hashicorp/vault/releases/tag/v1.10.0

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.