CVE-2020-12397
Published: 7 May 2020
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.
Priority
Status
Package | Release | Status |
---|---|---|
thunderbird Launchpad, Ubuntu, Debian |
bionic |
Released
(1:68.8.0+build2-0ubuntu0.18.04.2)
|
eoan |
Released
(1:68.8.0+build2-0ubuntu0.19.10.2)
|
|
focal |
Released
(1:68.8.0+build2-0ubuntu0.20.04.2)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(68.8.0)
|
|
xenial |
Released
(1:68.8.0+build2-0ubuntu0.16.04.2)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 4.3 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | Low |
Availability impact | None |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |