CVE-2020-12398
Published: 9 June 2020
If Thunderbird is configured to use STARTTLS for an IMAP server, and the server sends a PREAUTH response, then Thunderbird will continue with an unencrypted connection, causing email data to be sent without protection. This vulnerability affects Thunderbird < 68.9.0.
Priority
Status
Package | Release | Status |
---|---|---|
thunderbird
Launchpad, Ubuntu, Debian |
bionic |
Released
(1:68.10.0+build1-0ubuntu0.18.04.1)
|
eoan |
Released
(1:68.10.0+build1-0ubuntu0.19.10.1)
|
|
focal |
Released
(1:68.10.0+build1-0ubuntu0.20.04.1)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(68.9.0)
|
|
xenial |
Released
(1:68.10.0+build1-0ubuntu0.16.04.1)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |