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Prototype Pollution in keyget

Moderate severity GitHub Reviewed Published Feb 1, 2022 to the GitHub Advisory Database • Updated Feb 3, 2023

Package

npm keyget (npm)

Affected versions

<= 2.4.0

Patched versions

None

Description

The package keyget from 0.0.0 are vulnerable to Prototype Pollution via the methods set, push, and at which could allow an attacker to cause a denial of service and may lead to remote code execution. Note: This vulnerability derives from an incomplete fix to CVE-2020-28272

References

Published by the National Vulnerability Database Jan 28, 2022
Reviewed Jan 31, 2022
Published to the GitHub Advisory Database Feb 1, 2022
Last updated Feb 3, 2023

Severity

Moderate

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
High
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:H/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS score

0.855%
(83rd percentile)

Weaknesses

CVE ID

CVE-2021-23760

GHSA ID

GHSA-9fp7-4fjm-q3mf

Source code

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