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Advisories

OpenBao 2.2.0 before 2.6.4 and 2.7.0 before 2.7.1 ACME EAB MAC Key Disclosure via Sanitized Configuration

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Severity
low
Date
Affecting

  • openbao >= 2.2.0, < 2.6.4

  • openbao >= 2.7.0, < 2.7.1

CWE
  • CWE-212 Improper Removal of Sensitive Information Before Storage or Transfer
CVSS
2.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Credit
Luiggi33, opensec-intelligence
Description
OpenBao 2.2.0 before 2.6.4 and 2.7.0 before 2.7.1 contains an information disclosure vulnerability that exposes the tls_acme_eab_mac_key value through the sys/config/state/sanitized endpoint. Callers of the sanitized configuration endpoint can retrieve the ACME External Account Binding MAC key used for TLS listener certificates, letting them bind to the operator's ACME account.

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