CVE-2020-12398

2020-06-0900:00:00

ubuntu.com

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.002

Percentile

55.9%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchthunderbird< 1:68.10.0+build1-0ubuntu0.18.04.1UNKNOWN
ubuntu19.10noarchthunderbird< 1:68.10.0+build1-0ubuntu0.19.10.1UNKNOWN
ubuntu20.04noarchthunderbird< 1:68.10.0+build1-0ubuntu0.20.04.1UNKNOWN
ubuntu16.04noarchthunderbird< 1:68.10.0+build1-0ubuntu0.16.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	thunderbird	< 1:68.10.0+build1-0ubuntu0.18.04.1	UNKNOWN
ubuntu	19.10	noarch	thunderbird	< 1:68.10.0+build1-0ubuntu0.19.10.1	UNKNOWN
ubuntu	20.04	noarch	thunderbird	< 1:68.10.0+build1-0ubuntu0.20.04.1	UNKNOWN
ubuntu	16.04	noarch	thunderbird	< 1:68.10.0+build1-0ubuntu0.16.04.1	UNKNOWN