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CVE-2023-2816

Good to know:

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Date: June 2, 2023

Consul and Consul Enterprise allowed any user with service:write permissions to use Envoy extensions configured via service-defaults to patch remote proxy instances that target the configured service, regardless of whether the user has permission to modify the service(s) corresponding to those modified proxies.

Language: Go

Severity Score

Related Resources (5)

https://discuss.hashicorp.com/t/hcsec-2023-16-consul-envoy-extension-downstream-proxy-configuration-by-upstream-service-owner/54525
https://github.com/advisories/GHSA-rqjq-ww83-wv5c
https://nvd.nist.gov/vuln/detail/CVE-2023-2816
https://github.com/hashicorp/consul
https://www.mend.io/vulnerability-database/CVE-2023-2816

Severity Score

Weakness Type (CWE)

Improper Access Control

CWE-284

Insufficient Information

NVD-CWE-noinfo

Incorrect Privilege Assignment

CWE-266

Top Fix

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Upgrade to version github.com/hashicorp/consul - v1.15.3

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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): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): NONE

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