CVE Vulnerability

CVE-2020-12401

During ECDSA signature generation, padding applied in the nonce designed to ensure constant-time scalar multiplication was removed, resulting in variable-time execution dependent on secret data. This vulnerability affects Firefox < 80 and Firefox for Android < 80.

1.9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.4 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

4.7 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://www.mozilla.org/security/advisories/mfsa2020-36/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-39/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1631573 Issue Tracking Permissions Required
https://lists.debian.org/debian-lts-announce/2023/02/msg00021.html
Configurations

Configuration 1

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:android:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Information

Published : 2020-10-08 02:15

Updated : 2023-02-20 05:15

NVD link : CVE-2020-12401

Mitre link : CVE-2020-12401

Products Affected

Firefox

Mozilla

CWE
CWE-203