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Prototype Pollution in chartkick

High severity GitHub Reviewed Published Dec 2, 2019 to the GitHub Advisory Database • Updated Jan 26, 2023

Package

bundler chartkick (RubyGems)

Affected versions

< 3.3.0

Patched versions

3.3.0
npm chartkick (npm)
>= 3.1.0, <= 3.1.3
3.2.0

Description

Affected versions of @polymer/polymer are vulnerable to prototype pollution. The package fails to prevent modification of object prototypes through chart options containing a payload such as {"__proto__": {"polluted": true}}. It is possible to achieve the same results if a chart loads data from a malicious server.

Recommendation

Upgrade to version 3.2.0 or later.

References

Published by the National Vulnerability Database Nov 11, 2019
Reviewed Nov 27, 2019
Published to the GitHub Advisory Database Dec 2, 2019
Last updated Jan 26, 2023

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS score

0.342%
(72nd percentile)

Weaknesses

No CWEs

CVE ID

CVE-2019-18841

GHSA ID

GHSA-5pm8-492c-92p5

Source code

No known source code
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