SB2019121811 - Improper Authentication in MKSamlAuth extension for TYPO3
Published: December 18, 2019
Security Bulletin ID
SB2019121811
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Authentication (CVE-ID: N/A)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to the affected extension fails to validate the response from the Identity Provider. A remote attacker can bypass authentication process and create various frontend users on affected TYPO3 websites.
Note: The authentication service allows to bypass frontend user authentication by providing a valid username with an empty password, if a SAML configuration is not created for the current website domain.
Remediation
Install update from vendor's website.