SB2021113020 - Security restrictions bypass in HashiCorp Vault
Published: November 30, 2021 Updated: August 4, 2022
Security Bulletin ID
SB2021113020
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-43998)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote user to escalate privileges within the application.
The vulnerability exists due to templated ACL policies always match the first-created entity alias
if multiple entity aliases exist for a specified entity and mount
combination. A remote user can trigger incorrect policy enforcement.
Remediation
Install update from vendor's website.