CVE-2020-7746 : This affects the package chart.js before 2.9.4. The options parameter is not pro

This affects the package chart.js before 2.9.4. The options parameter is not properly sanitized when it is processed. When the options are processed, the existing options (or the defaults options) are deeply merged with provided options. However, during this operation, the keys of the object being set are not checked, leading to a prototype pollution.

Published 2020-10-29 08:15:12

Updated 2022-12-02 19:44:51

Source Snyk

View at NVD, CVE.org

Products affected by CVE-2020-7746

Chartjs » Chart.js » For Node.js
Versions before (<) 2.9.4
cpe:2.3:a:chartjs:chart.js:*:*:*:*:*:node.js:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-7746

EPSS FAQ

1.80%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 88 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-7746

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	Snyk
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2020-7746

CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-7746

https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBCHARTJS-1019376

Prototype Pollution in org.webjars.bowergithub.chartjs:chart.js | Snyk
Exploit;Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1019374

Prototype Pollution in org.webjars.npm:chart.js | Snyk
Exploit;Third Party Advisory
https://snyk.io/vuln/SNYK-JS-CHARTJS-1018716

Prototype Pollution in chart.js | Snyk
Exploit;Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1019375

Prototype Pollution in org.webjars.bower:chart.js | Snyk
Exploit;Third Party Advisory
https://github.com/chartjs/Chart.js/pull/7920

Use Object.create(null) as `merge` target, to prevent prototype pollution by kurkle · Pull Request #7920 · chartjs/Chart.js · GitHub
Patch;Third Party Advisory

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Vulnerability Details : CVE-2020-7746

Products affected by CVE-2020-7746

Exploit prediction scoring system (EPSS) score for CVE-2020-7746

CVSS scores for CVE-2020-7746

CWE ids for CVE-2020-7746

References for CVE-2020-7746