#VU24940 Improper Certificate Validation in Nomad and Nomad Enterprise - CVE-2020-7956

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Main Vulnerability Database Vulnerabilities #VU24940

#VU24940 Improper Certificate Validation in Nomad and Nomad Enterprise - CVE-2020-7956

Published: February 5, 2020


Vulnerability identifier: #VU24940
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-7956
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Nomad
Nomad Enterprise
Software vendor:
HashiCorp

Description

The vulnerability allows a remote attacker to perform a man-in-the-middle (MiTM) attack.

The vulnerability exists due to the affected software incorrectly validate role/region associated with TLS certificates used for mTLS RPC. A remote attacker can supply a specially crafted TLS certificate, perform a man-in-the-middle attack and escalate privileges on the target system.


Remediation

Install updates from vendor's website.

External links