CVE-2023-2816

Consul Envoy Extension Downsteam Proxy Configuration By Upstream Service Owner

Published Jun 2, 2023 CVSS 3.1 · 8.7 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-1879 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.
Github GHSA Github GHSA GHSA-rqjq-ww83-wv5c Hashicorp Consul allows user with service:write permissions to patch remote proxy instances
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
CPEs cpe:2.3:a:hashicorp:consul:1.15.0:*:*:*:-:*:*:*
cpe:2.3:a:hashicorp:consul:1.15.0:*:*:*:enterprise:*:*:*
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-266
Weaknesses

Sources

Status
PUBLISHED
Assigner
HashiCorp
Published
Updated
Oct 7, 2024, 8:12 PM
Reserved
May 19, 2023, 6:11 PM
Status
Modified
Published
Jun 2, 2023, 11:15 PM
Modified
Jun 17, 2026, 5:53 AM