Multiple vulnerabilities in HashiCorp Vault and Vault Enterprise



Published: 2021-08-17 | Updated: 2021-08-30
Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2021-38554
CVE-2021-38553
CWE-ID CWE-200
CWE-254
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Web applications / Modules and components for CMS

Vault Enterprise
Web applications / Modules and components for CMS

Vendor HashiCorp

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

Updated 30.08.2021

Added fixed versions for vulnerability #1-2

1) Information disclosure

EUVDB-ID: #VU55908

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-38554

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to the cache of user-viewed secrets between sessions in a single shared browser. A local user can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Vault: 1.6.0 - 1.7.3

Vault Enterprise: 1.6.0 - 1.7.3

External links

http://discuss.hashicorp.com/t/hcsec-2021-19-vault-s-ui-cached-user-viewed-secrets-between-shared-browser-sessions/28166


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

2) Security features bypass

EUVDB-ID: #VU55909

Risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-38553

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to an excessively broad filesystem permissions flaw when initialized an underlying database file associated with the Integrated Storage feature. A remote attacker can bypass security features to launch further attacks on the system. 

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Vault: 1.4.0 - 1.7.3

Vault Enterprise: 1.4.0 - 1.7.3

External links

http://discuss.hashicorp.com/t/hcsec-2021-20-vault-s-integrated-storage-backend-database-file-may-have-excessively-broad-permissions/28168


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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