Overview
- 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.
- Source
- security@mozilla.org
- NVD status
- Modified
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 4.7
- Impact score
- 3.6
- Exploitability score
- 1
- Vector string
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 1.9
- Impact score
- 2.9
- Exploitability score
- 3.4
- Vector string
- AV:L/AC:M/Au:N/C:P/I:N/A:N
Weaknesses
- nvd@nist.gov
- CWE-203
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "334D3118-529D-4AAB-82A4-1EC3AA047D3D",
"versionEndExcluding": "80.0"
},
{
"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:android:*:*",
"vulnerable": true,
"matchCriteriaId": "78F3BE06-CA45-47C1-B3FD-04DCEDDCCB5A",
"versionEndExcluding": "80.0"
}
],
"operator": "OR"
}
]
}
]