J-Security Center

Title: Gordano NTMail JUCE Email Filter Weakness

Severity: HIGH

Description:

Gordano NTMail is a SMTP server available for use with Microsoft Windows operating systems.

NTMail version 8 has an addon filter, JUCE, that allows for filtering of email based on defined properties. Reportedly, the JUCE filter does not adequately filter some email.

An attacker can exploit this weakness by sending an email with multiple recipients. The JUCE filter prevents the email from being delivered to the first recipient but fails to block delivery to the other recipients.

This vulnerability has been reported for NTmail version 8. It is not known whether other versions are affected.

Affected Products:

  • Gordano NTMail 8.0.0

References:

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