CVE-2020-12399

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

09/07/2020

Last modified:

04/01/2022

Description

NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys. This vulnerability affects Thunderbird

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.40 MEDIUM
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x

4.40

Severity 3.x

MEDIUM

Vector 2.0

AV:L/AC:H/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 1.20 LOW
Vector: AV:L/AC:H/Au:N/C:P/I:N/A:N

Attack Vector (AV): Local
Attack Complexity (AC): High
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0

1.20

Severity 2.0

LOW

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:mozilla:firefox::::::::		77.0 (excluding)
cpe:2.3:a:mozilla:firefox_esr::::::::		68.9.0 (excluding)
cpe:2.3:a:mozilla:thunderbird::::::::		68.9.0 (excluding)
cpe:2.3:o:debian:debian_linux:9.0:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2020-12399

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools