Security features bypass in Vault and Vault Enterprise - CVE-2021-38553

 

Security features bypass in Vault and Vault Enterprise - CVE-2021-38553

Published: August 17, 2021 / Updated: August 30, 2021


Vulnerability identifier: #VU55909
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-38553
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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. 


Affected software

Vault
Vault Enterprise
Gentoo Linux

How to mitigate CVE-2021-38553

Install updates from vendor's website.

Vault - addressed in versions 1.6.6, 1.7.4, 1.8.0
Vault Enterprise - addressed in versions 1.6.6, 1.7.4, 1.8.0

External References

Related Security Bulletins