CVE Vulnerability

CVE-2020-6829

When performing EC scalar point multiplication, the wNAF point multiplication algorithm was used; which leaked partial information about the nonce used during signature generation. Given an electro-magnetic trace of a few signature generations, the private key could have been computed. This vulnerability affects Firefox < 80 and Firefox for Android < 80.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

5.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

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=1631583 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 : 2020-10-28 12:15

Updated : 2023-02-20 05:15

NVD link : CVE-2020-6829

Mitre link : CVE-2020-6829

Products Affected

Firefox

Mozilla

CWE
NVD-CWE-noinfo