SB2024040535 - TLS authentication bypass in HashiCorp Vault and Vault Enterprise
Published: April 5, 2024
Security Bulletin ID
SB2024040535
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) Improper Certificate Validation (CVE-ID: CVE-2024-2660)
CWE-ID: CWE-295 - Improper Certificate Validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to bypass authentication.
The vulnerability exists due to the TLS certificates auth method does not correctly validate OCSP responses when one or more OCSP sources were configured. A remote attacker can successfully authenticate via Vault’s TLS certificate authentication method with incorrect certificate status information.
Remediation
Install update from vendor's website.