CVE-2019-20149 Information

Description

ctorName in index.js in kind-of v6.0.2 allows external user input to overwrite certain internal attributes via a conflicting name as demonstrated by ‘constructor’: ’name’:‘Symbol’. Hence a crafted payload can overwrite this builtin attribute to manipulate the type detection result.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Reference

https://github.com/jonschlinkert/kind-of/issues/30 https://github.com/jonschlinkert/kind-of/pull/31

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5