CVE-2020-12401
CVSS V2 Low 1.9
CVSS V3 Medium 4.7
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.
Overview
- CVE ID
- CVE-2020-12401
- Assigner
- security@mozilla.org
- Vulnerability Status
- Modified
- Published Version
- 2020-10-08T14:15:11
- Last Modified Date
- 2023-02-20T17:15:11
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | 1 | OR | 80.0 | |
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:android:*:* | 1 | OR | 80.0 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:M/Au:N/C:P/I:N/A:N
- Access Vector
- LOCAL
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 1.9
- Severity
- LOW
- Exploitability Score
- 3.4
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- LOCAL
- Attack Compatibility
- HIGH
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 4.7
- Base Severity
- MEDIUM
- Exploitability Score
- 1
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1631573 | Issue Tracking Permissions Required Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2023/02/msg00021.html | |
| https://www.mozilla.org/security/advisories/mfsa2020-36/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2020-39/ | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-12401 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12401 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:01:47 | Added to TrackCVE | |||
| 2022-12-04 23:53:24 | 2020-10-08T14:15Z | 2020-10-08T14:15:11 | CVE Published Date | updated |
| 2022-12-04 23:53:24 | 2021-07-21T11:39:23 | CVE Modified Date | updated | |
| 2022-12-04 23:53:24 | Analyzed | Vulnerability Status | updated | |
| 2023-02-20 19:10:05 | 2023-02-20T17:15:11 | CVE Modified Date | updated | |
| 2023-02-20 19:10:05 | Analyzed | Modified | Vulnerability Status | updated |
| 2023-02-20 19:10:05 | References | updated |