The Authentication component in TYPO3 6.2.0 before 6.2.3 does not properly invalidate timed out user sessions, which allows remote attackers to bypass authentication via unspecified vectors.

References

• https://nvd.nist.gov/vuln/detail/CVE-2014-3944
• http://www.debian.org/security/2014/dsa-2942
• http://www.openwall.com/lists/oss-security/2014/06/03/2
• https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2014-3944.yaml
• https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2014-001
• http://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2014-001