CVE-2020-6836
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
grammar-parser.jison in the hot-formula-parser package before 3.0.1 for Node.js is vulnerable to arbitrary code injection. The package fails to sanitize values passed to the parse function and concatenates them in an eval call. If a value of the formula is taken from user-controlled input, it may allow attackers to run arbitrary commands on the server.
Overview
- CVE ID
- CVE-2020-6836
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2020-01-11T01:15:10
- Last Modified Date
- 2020-01-22T06:15:10
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:hot-formula-parser_project:hot-formula-parser:*:*:*:*:*:node.js:*:* | 1 | OR | 3.0.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/handsontable/formula-parser/commit/396b089738d4bf30eb570a4fe6a188affa95cd5e | Patch |
| https://www.npmjs.com/advisories/1439 | Patch Third Party Advisory |
| https://blog.truesec.com/2020/01/17/reverse-shell-through-a-node-js-math-parser/ |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-6836 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6836 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:52:50 | Added to TrackCVE | |||
| 2022-12-04 09:18:22 | 2020-01-11T01:15Z | 2020-01-11T01:15:10 | CVE Published Date | updated |
| 2022-12-04 09:18:22 | 2020-01-22T06:15:10 | CVE Modified Date | updated | |
| 2022-12-04 09:18:22 | Modified | Vulnerability Status | updated |