CVE-2018-3722 Information

Description

merge-deep node module before 3.0.1 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability which allows a malicious user to modify the prototype of \Object\ via proto causing the addition or modification of an existing property that will exist on all objects.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/jonschlinkert/merge-deep/commit/2c33634da7129a5aefcc262d2fec2e72224404e5 https://hackerone.com/reports/310708

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8