CVE-2020-12397

2020-05-0700:00:00

ubuntu.com

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

41.3%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchthunderbird< 1:68.8.0+build2-0ubuntu0.18.04.2UNKNOWN
ubuntu19.10noarchthunderbird< 1:68.8.0+build2-0ubuntu0.19.10.2UNKNOWN
ubuntu20.04noarchthunderbird< 1:68.8.0+build2-0ubuntu0.20.04.2UNKNOWN
ubuntu16.04noarchthunderbird< 1:68.8.0+build2-0ubuntu0.16.04.2UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	thunderbird	< 1:68.8.0+build2-0ubuntu0.18.04.2	UNKNOWN
ubuntu	19.10	noarch	thunderbird	< 1:68.8.0+build2-0ubuntu0.19.10.2	UNKNOWN
ubuntu	20.04	noarch	thunderbird	< 1:68.8.0+build2-0ubuntu0.20.04.2	UNKNOWN
ubuntu	16.04	noarch	thunderbird	< 1:68.8.0+build2-0ubuntu0.16.04.2	UNKNOWN