CVE-2020-6829
Medium
Description
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.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Mozilla Firefox
PublishedOct 28, 2020
First seenOct 28, 2020
How to fix
Update
- mozilla firefox80.0 or later
- mozilla firefox_mobile80.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 80.0 | 80.0 |
| mozilla firefox_mobile | v < 80.0 | 80.0 |
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