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CVE-2020-8268

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Date: November 9, 2020

Prototype pollution vulnerability in json8-merge-patch npm package < 1.0.3 may allow attackers to inject or modify methods and properties of the global object constructor.

Language: Python

Severity Score

Related Resources (6)

https://github.com/sonnyp/JSON8/issues/113
https://github.com/sonnyp/JSON8/commit/2e890261b66cbc54ae01d0c79c71b0fd18379e7e#diff-faa7bef039022bc7ca1c613331b2373950ddd3d65ebf25d1699fbdf89773a387
https://nvd.nist.gov/vuln/detail/CVE-2020-8268
https://hackerone.com/reports/980649
https://www.npmjs.com/package/json8-merge-patch
https://www.mend.io/vulnerability-database/CVE-2020-8268

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Modification of Assumed-Immutable Data (MAID)

CWE-471

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

CWE-1321

Top Fix

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Upgrade Version

Upgrade to version json8-merge-patch - 1.0.3

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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