CVE-2019-10746
Description
A flaw was found in Nodejs's mixin-deep prior to versions 1.3.2 and 2.0.0. The mixin-deep function could be used to add or modify properties of the Object.prototype. The highest threat from this vulnerability is to system availability.
Statement
In Red Hat Software Collections and Red Hat Enterprise Linux 8, nodejs-mixin-deep is bundled into nodejs-nodemon, and is not meant to be accessed outside of that package. Within nodemon, this flaw is rated with a Low severity.
In Red Hat OpenShift Logging the openshift-logging/kibana6-rhel8 container bundles many nodejs packages as a build time dependencies, including the mixin-deep package. The vulnerable code is not used hence the impact to OpenShift Logging by this vulnerability is Low.
Common Vulnerability Scoring System (CVSS) Score Details
Info alert: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 Hat | NVD | cve.org | |
|---|---|---|---|
| Base Score | 7 | 9.8 | N/A |
| Attack Vector | Network | Network | N/A |
| Attack Complexity | High | Low | N/A |
| Privileges Required | None | None | N/A |
| User Interaction | None | None | N/A |
| Scope | Unchanged | Unchanged | N/A |
| Confidentiality | Low | High | N/A |
| Integrity Impact | Low | High | N/A |
| Availability Impact | High | High | N/A |
Vector
Red Hat: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
NVD: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat CVSS v3 Score Explanation
Prototype pollution relies on a user having the ability to merge new methods into an existing object. An attacker would have to know how those methods were going to be used by the application, so an attack is difficult to perform.
Understanding the Weakness (CWE)
Integrity
Technical Impact: Modify Application Data
Common data types that are attacked are environment variables, web application parameters, and HTTP headers.
Integrity
Technical Impact: Unexpected State
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