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CVE-2021-43998

Good to know:

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Date: November 30, 2021

HashiCorp Vault and Vault Enterprise 0.11.0 up to 1.7.5 and 1.8.4 templated ACL policies would always match the first-created entity alias if multiple entity aliases exist for a specified entity and mount combination, potentially resulting in incorrect policy enforcement. Fixed in Vault and Vault Enterprise 1.7.6, 1.8.5, and 1.9.0.

Language: Go

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2021-43998
https://discuss.hashicorp.com/t/hcsec-2021-30-vaults-templated-acl-policies-matched-first-created-alias-per-entity-and-auth-backend/32132
https://github.com/hashicorp/vault
https://security.gentoo.org/glsa/202207-01
https://github.com/advisories/GHSA-pfmw-vj74-ph8g
https://www.mend.io/vulnerability-database/CVE-2021-43998

Severity Score

Weakness Type (CWE)

Incorrect Permission Assignment for Critical Resource

CWE-732

Top Fix

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Upgrade to version github.com/hashicorp/vault - v1.7.6;github.com/hashicorp/vault - v1.8.5

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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