Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') Affecting grafana-loki package, versions *


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.18% (56th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-CENTOS8-GRAFANALOKI-3022051
  • published13 Sept 2022
  • disclosed7 Apr 2022

Introduced: 7 Apr 2022

CVE-2021-43138  (opens in a new tab)
CWE-1321  (opens in a new tab)

How to fix?

There is no fixed version for Centos:8 grafana-loki.

NVD Description

Note: Versions mentioned in the description apply only to the upstream grafana-loki package and not the grafana-loki package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

In Async before 2.6.4 and 3.x before 3.2.2, a malicious user can obtain privileges via the mapValues() method, aka lib/internal/iterator.js createObjectIterator prototype pollution.

CVSS Scores

version 3.1