crumb@4.0.0 vulnerabilities

CSRF crumb generation and validation plugin

Direct Vulnerabilities

Known vulnerabilities in the crumb package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • M
Authentication Bypass

crumb is CSRF crumb generation and validation plugin.

Affected versions of the package are vulnerable to Authentication Bypass. crumb does not validate the hostname while comparing a request origin against the whitelist, but rather compare http protocol alone. This opens a window for attackers to gain information by Man in the Middle (MitM) attacks.

How to fix Authentication Bypass?

Upgrade crumb to version 4.0.2 or higher.

<4.0.2