Information disclosure in Consul Enterprise and Consul - CVE-2020-28053
Published: November 23, 2020 / Updated: November 24, 2020
Vulnerability identifier: #VU48612
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-28053
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application. A remote attacker with operator:read ACL permissions can read the Connect CA private key configuration.
Affected software
Consul Enterprise
Consul
Gentoo Linux
app-admin/consul
Consul
Gentoo Linux
app-admin/consul
How to mitigate CVE-2020-28053
Install updates from vendor's website.
Consul Enterprise - addressed in versions 1.7.10, 1.8.6
Consul - addressed in versions 1.6.10, 1.7.10, 1.8.6
app-admin/consul - update to 1.9.17
Consul - addressed in versions 1.6.10, 1.7.10, 1.8.6
app-admin/consul - update to 1.9.17