RubySec

Providing security resources for the Ruby community

CVE-2021-29435 (trestle-auth): Cross-Site Request Forgery (CSRF) in trestle-auth

ADVISORIES

GEM

trestle-auth

SEVERITY

CVSS v3.x: 8.1 (High)

UNAFFECTED VERSIONS

  • < 0.4.0

PATCHED VERSIONS

  • >= 0.4.2

DESCRIPTION

Impact

A vulnerability in trestle-auth versions 0.4.0 and 0.4.1 allows an attacker to create a form that will bypass Rails' built-in CSRF protection when submitted by a victim with a trestle-auth admin session. This potentially allows an attacker to alter protected data, including admin account credentials.

Patches

The vulnerability has been fixed in trestle-auth 0.4.2 released to RubyGems.