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CVE-2021-42135

Good to know:

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Date: October 10, 2021

HashiCorp Vault and Vault Enterprise 1.8.x through 1.8.4 may have an unexpected interaction between glob-related policies and the Google Cloud secrets engine. Users may, in some situations, have more privileges than intended, e.g., a user with read permission for the /gcp/roleset/* path may be able to issue Google Cloud service account credentials.

Language: Go

Severity Score

Related Resources (7)

https://github.com/hashicorp/vault/blob/main/CHANGELOG.md#180
https://github.com/advisories/GHSA-362v-wg5p-64w2
https://github.com/hashicorp/vault
https://discuss.hashicorp.com/t/hcsec-2021-28-vaults-google-cloud-secrets-engine-policies-with-globs-may-provide-additional-privileges-in-vault-1-8-0-onwards/
https://nvd.nist.gov/vuln/detail/CVE-2021-42135
https://discuss.hashicorp.com/t/hcsec-2021-28-vaults-google-cloud-secrets-engine-policies-with-globs-may-provide-additional-privileges-in-vault-1-8-0-onwards
https://www.mend.io/vulnerability-database/CVE-2021-42135

Severity Score

Weakness Type (CWE)

Improper Privilege Management

CWE-269

Incorrect Privilege Assignment

CWE-266

Incorrect Authorization

CWE-863

Top Fix

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CVSS v3.1

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

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