CVE-2018-3728

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Description

The CVE Program describes this issue as:

hoek node module before 4.2.0 and 5.0.x before 5.0.3 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability via 'merge' and 'applyToDefaults' functions, 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.

Statement

Red Hat Quay includes hoek as a dependency of protractor which is only used at build time. The vulnerable library is not used at runtime meaning this has a low impact on Red Hat Quay.

Red Hat Quay includes hoek as a dependency of protractor which is only used at build time. The vulnerable library is not used at runtime meaning this has a low impact on Red Hat Quay.

Additional information

  • Bugzilla 1545893: hoek: Prototype pollution in utilities function
  • CWE-20: Improper Input Validation
  • FAQ: Frequently asked questions about CVE-2018-3728

Common Vulnerability Scoring System (CVSS) Score Details

Important note

CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).

CVSS v3 Score Breakdown
Red HatNVD

CVSS v3 Base Score

2.9

8.8

Attack Vector

Local

Network

Attack Complexity

High

Low

Privileges Required

None

Low

User Interaction

None

None

Scope

Unchanged

Unchanged

Confidentiality Impact

None

High

Integrity Impact

None

High

Availability Impact

Low

High

CVSS v3 Vector

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

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

Understanding the Weakness (CWE)

CWE-20

Availability

Technical Impact: DoS: Crash, Exit, or Restart; DoS: Resource Consumption (CPU); DoS: Resource Consumption (Memory)

An attacker could provide unexpected values and cause a program crash or excessive consumption of resources, such as memory and CPU.

Confidentiality

Technical Impact: Read Memory; Read Files or Directories

An attacker could read confidential data if they are able to control resource references.

Integrity,Confidentiality,Availability

Technical Impact: Modify Memory; Execute Unauthorized Code or Commands

An attacker could use malicious input to modify data or possibly alter control flow in unexpected ways, including arbitrary command execution.

Frequently Asked Questions

Why is Red Hat's CVSS v3 score or Impact different from other vendors?

My product is listed as "Under investigation" or "Affected", when will Red Hat release a fix for this vulnerability?

What can I do if my product is listed as "Will not fix"?

What can I do if my product is listed as "Fix deferred"?

What is a mitigation?

I have a Red Hat product but it is not in the above list, is it affected?

Why is my security scanner reporting my product as vulnerable to this vulnerability even though my product version is fixed or not affected?

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