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.
Vector
NETWORK
Complexity
MEDIUM
Authentication
NONE
Confidentiality
NONE
Integrity
PARTIAL
Availability
NONE
| Advisory | Patch | Confirmed | Link |
|---|---|---|---|
| https://www.mozilla.org/security/advisories/mfsa2020-18/ | |||
| https://bugzilla.mozilla.org/show_bug.cgi?id=1617370 |