Vulnerability CVE-2020-7746
Published: 2020-10-29

Description:
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.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Chartjs -> Chart.js 

 References:
https://github.com/chartjs/Chart.js/pull/7920
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1019375
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBCHARTJS-1019376
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1019374
https://snyk.io/vuln/SNYK-JS-CHARTJS-1018716
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