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Thunderbird < 68.8.0 Origin Validation Error Vulnerability

Summary

By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays.

Credit:

The information has been provided by Ahmed Elsobky

The original article can be found at:https://www.mozilla.org/security/advisories/mfsa2020-18/

Details

By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird < 68.8.0.

Vulnerable Systems:

Thunderbird < 68.8.0

CVE Information:

CVE-2020-12397

Disclosure Timeline:
Published Date:5/22/2020

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