Vigil@nce - Thunderbird: information disclosure via STARTTLS IMAP PREAUTH unencrypted
August 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, Fedora, Thunderbird, openSUSE Leap, Solaris, RHEL, Slackware, SLES, Ubuntu.
Consequences: data reading.
Confidence: confirmed by the editor (5/5).
Creation date: 04/06/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can bypass access restrictions to data via STARTTLS IMAP PREAUTH unencrypted of Thunderbird, in order to obtain sensitive information.
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