Input validation error in HashiCorp Vault



Published: 2021-02-01 | Updated: 2021-02-09
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-3024
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Vault
Web applications / Modules and components for CMS

Vault Enterprise
Web applications / Modules and components for CMS

Vendor HashiCorp

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU50454

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3024

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

HashiCorp Vault and Vault Enterprise disclosed the internal IP address of the Vault node when responding to some invalid, unauthenticated HTTP requests.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Vault: 1.5.0 - 1.6.1

Vault Enterprise: 1.5.0 - 1.6.1

External links

http://discuss.hashicorp.com/t/hcsec-2021-02-vault-api-endpoint-exposed-internal-ip-address-without-authentication/20334


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.



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