Description
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.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected products
- Mozilla / Firefoxunspecified – 80
- Mozilla / Firefox80.0
- Mozilla / Firefox for Androidunspecified – 80
- Mozilla / firefox_mobile80.0
Updated 38m ago · 8 sources