SB2025012852 - Account takeover in OpenID Connect Authentication extension for Typo3



SB2025012852 - Account takeover in OpenID Connect Authentication extension for Typo3

Published: January 28, 2025

Security Bulletin ID SB2025012852
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper authorization (CVE-ID: CVE-2025-24856)

CWE-ID: CWE-285 - Improper Authorization

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


The vulnerability allows a remote attacker to hijack accounts.

The vulnerability exists due to an issue in account linking logic. A remote attacker can register a public frontend user account using email address before the user's first OIDC login and take over victim's account after oidc is used at a later stage.


Remediation

Install update from vendor's website.