CVEs-PoC/2020/CVE-2020-12401.md

### [CVE-2020-12401](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12401)
![](https://img.shields.io/static/v1?label=Product&message=Firefox%20for%20Android&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Firefox&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2080%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Timing-attack%20on%20ECDSA%20signature%20generation&color=brighgreen)

### 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.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon