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CVE-2021-41802

Good to know:

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Date: October 8, 2021

HashiCorp Vault and Vault Enterprise through 1.7.4 and 1.8.3 allowed a user with write permission to an entity alias ID sharing a mount accessor with another user to acquire this other user’s policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.

Language: Go

Severity Score

Related Resources (7)

https://discuss.hashicorp.com/t/hcsec-2021-27-vault-merging-multiple-entity-aliases-for-the-same-mount-may-allow-privilege-escalation
https://github.com/advisories/GHSA-qv95-g3gm-x542
https://github.com/hashicorp/vault
https://discuss.hashicorp.com/t/hcsec-2021-27-vault-merging-multiple-entity-aliases-for-the-same-mount-may-allow-privilege-escalation/
https://security.gentoo.org/glsa/202207-01
https://nvd.nist.gov/vuln/detail/CVE-2021-41802
https://www.mend.io/vulnerability-database/CVE-2021-41802

Severity Score

Weakness Type (CWE)

Improper Privilege Management

CWE-269

Incorrect Permission Assignment for Critical Resource

CWE-732

Top Fix

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Upgrade to version github.com/hashicorp/vault - v1.7.5;github.com/hashicorp/vault - v1.8.4

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CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): NONE
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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