TYPO3-EXT-SA-2015-001: Improper Authentication in LDAP / SSO Authentication (ig_ldap_sso_auth)

January 08, 2015

Category: TYPO3 Extension
Author: Marcus Krause
Keywords: TYPO3, security, TYPO3-EXT-SA-2015-001, extension, ig_ldap_sso_auth, improper authentication

It has been discovered that the extension "LDAP / SSO Authentication" (ig_ldap_sso_auth) is susceptible to Improper Authentication.

Release Date: January 8, 2015

Bulletin Update: January 8, 2015 (Affected Versions, Severity); February 23, 2015 (added CVE)

Component Type: Third party extension. This extension is not a part of the TYPO3 default installation.

Affected Versions: 2.0.0

Vulnerability Type: Improper Authentication

Severity: Critical

Suggested CVSS v2.0: AV:N/AC:L/Au:N/C:P/I:P/A:N/E:F/RL:OF/RC:C

CVE: CVE-2015-1401

Problem Description: The extension insufficiently authenticates an user against LDAP/AD.

Solution: Updated version 2.0.1 is available from the TYPO3 extension manager and at http://typo3.org/extensions/repository/download/ig_ldap_sso_auth/2.0.1/t3x/.

Credits: Credits go to Stefan Kaifer who discovered the vulnerability.



General advice: Follow the recommendations that are given in the TYPO3 Security Guide. Please subscribe to the typo3-announce mailing list to receive future Security Bulletins via E-mail.