If an attacker intercepts Thunderbird’s initial attempt to perform automatic account setup using the Microsoft Exchange autodiscovery mechanism, and the attacker sends a crafted response, then Thunderbird sends username and password over https to a server controlled by the attacker. This vulnerability affects Thunderbird < 68.10.0. Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15646 Reference (s):
- https://bugzilla.mozilla.org/show_bug.cgi?id=1606610
- URL: https://bugzilla.mozilla.org/show_bug.cgi?id=1606610
- https://www.mozilla.org/security/advisories/mfsa2020-26/
- URL: https://www.mozilla.org/security/advisories/mfsa2020-26/