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Vulnerability of TYPO3 TC Directmail: open redirect

Synthesis of the vulnerability 

An attacker can deceive the user of TYPO3 TC Directmail, in order to redirect him to a malicious site.
Vulnerable systems: TYPO3 Extensions ~ not comprehensive.
Severity of this threat: 1/4.
Creation date: 14/11/2016.
Références of this weakness: TYPO3-EXT-SA-2016-033, VIGILANCE-VUL-21110.

Description of the vulnerability 

The TC Directmail extension can be installed on TYPO3.

However, the web service accepts to redirect the victim with no warning, to an external site indicated by the attacker.

An attacker can therefore deceive the user of TYPO3 TC Directmail, in order to redirect him to a malicious site.
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This computer vulnerability announce impacts software or systems such as TYPO3 Extensions ~ not comprehensive.

Our Vigil@nce team determined that the severity of this cybersecurity bulletin is low.

The trust level is of type confirmed by the editor, with an origin of internet client.

An attacker with a expert ability can exploit this threat alert.

Solutions for this threat 

TYPO3 TC Directmail: version 3.1.3.
The version 3.1.3 is fixed:
  https://typo3.org/extensions/repository/download/tcdirectmail/3.1.3/t3x/
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