CVE-2020-8166 Information

Description

A CSRF forgery vulnerability exists in rails 5.2.5 rails 6.0.4 that makes it possible for an attacker to given a global CSRF token such as the one present in the authenticity_token meta tag forge a per-form CSRF token.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Reference

https://groups.google.com/g/rubyonrails-security/c/NOjKiGeXUgw https://hackerone.com/reports/732415 https://www.debian.org/security/2020/dsa-4766

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

4.3