CVE-2020-13822
CVSS V2 Medium 6.8
CVSS V3 High 7.7
Description
The Elliptic package 6.5.2 for Node.js allows ECDSA signature malleability via variations in encoding, leading '\0' bytes, or integer overflows. This could conceivably have a security-relevant impact if an application relied on a single canonical signature.
Overview
- CVE ID
- CVE-2020-13822
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-06-04T15:15:13
- Last Modified Date
- 2020-07-02T13:17:43
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:elliptic_project:elliptic:6.5.2:*:*:*:*:node.js:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6.8
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
- Attack Vector
- NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- LOW
- Base Score
- 7.7
- Base Severity
- HIGH
- Exploitability Score
- 2.2
- Impact Score
- 5.5
References
| Reference URL | Reference Tags |
|---|---|
| https://yondon.blog/2019/01/01/how-not-to-use-ecdsa/ | Third Party Advisory |
| https://www.npmjs.com/package/elliptic | Third Party Advisory |
| https://github.com/indutny/elliptic/issues/226 | Exploit Third Party Advisory |
| https://medium.com/@herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-13822 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13822 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:41:33 | Added to TrackCVE | |||
| 2022-12-04 17:23:15 | 2020-06-04T15:15Z | 2020-06-04T15:15:13 | CVE Published Date | updated |
| 2022-12-04 17:23:15 | 2020-07-02T13:17:43 | CVE Modified Date | updated | |
| 2022-12-04 17:23:15 | Analyzed | Vulnerability Status | updated |