Improper access control in Consul Enterprise - CVE-2023-2816

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Main Vulnerability Database Vulnerabilities #VU77106

Improper access control in Consul Enterprise - CVE-2023-2816

Published: June 8, 2023


Vulnerability identifier: #VU77106
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-2816
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Consul Enterprise
Software vendor:
HashiCorp

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in Lua extension. A remote user with service:write ACL permissions for an upstream service can modify Envoy proxy config for downstream services without equivalent permissions for those services.


Remediation

Install updates from vendor's website.

External links