SB2019121811 - Improper Authentication in MKSamlAuth extension for TYPO3

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Main Vulnerability Database SB2019121811

SB2019121811 - Improper Authentication in MKSamlAuth extension for TYPO3

Published: December 18, 2019

Security Bulletin ID SB2019121811
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Authentication (CVE-ID: N/A)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber


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.

References