GHSA-chh2-rvhg-wqwr: Json serializer Malicious Package Vulnerability

CRITICAL
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Advisory Summary

GHSA-chh2-rvhg-wqwr is a CRITICAL malicious package vulnerability (General Security Weakness) affecting Json serializer libraries in the npm ecosystem. The issue involves malicious package in json-serializer. Remediation is available by upgrading affected packages to version 2.0.11.

GHSA-chh2-rvhg-wqwr at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-chh2-rvhg-wqwr
Severity CRITICAL
CVSS v3.1 Base Score N/A
CWE Classification General Security Weakness
Affected Product Json serializer
Package Ecosystem npm
Published Date
Last Updated

How to Fix GHSA-chh2-rvhg-wqwr

To remediate this vulnerability, upgrade all affected Json serializer dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

json-serializer fixed: 2.0.11 
npm install json-serializer@2.0.11
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

npm ls json-serializer

How to Check if You Are Affected

To determine whether your Node.js application is affected by GHSA-chh2-rvhg-wqwr, inspect your project dependencies using npm:

npm ls json-serializer

Analyze the terminal output to locate any version of Json serializer in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.0.11), your application is affected.

Note: The npm ls json-serializer command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under General Security Weakness. In Json serializer, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

Version 2.0.10 of `json-serializer` contained malicious code. The code when executed in the browser would enumerate password, cvc, cardnumber fields from forms and send the extracted values to `https://js-metrics.com/minjs.php?pl=` ## Recommendation Remove the package from your environment and evaluate your application to determine whether or not user data was compromised.

GHSA-chh2-rvhg-wqwr Affected Json serializer Versions

1 component(s)
Fixed Versions:
2.0.11
Product / Package Ecosystem Affected Versions Fixed Version
json-serializer
npm/json-serializer
npm
≥ 2.0.10
< 2.0.11
All 1 versions
2.0.10
2.0.11

References

www.npmjs.com/advisories/1194 WEB
https://www.npmjs.com/advisories/1194

Frequently Asked Questions

What is GHSA-chh2-rvhg-wqwr?
GHSA-chh2-rvhg-wqwr is a security vulnerability in Json serializer involving Malicious Package in json-serializer under General Security Weakness.
Which Json serializer versions are affected?
Affected versions include releases prior to 2.0.11 across affected packages: json-serializer.
What version fixes GHSA-chh2-rvhg-wqwr?
Upgrading to 2.0.11 (or the latest patched release for your respective branch) resolves the vulnerability.
Is json-serializer affected?
Yes, json-serializer is affected in releases prior to 2.0.11. Upgrade your dependency to 2.0.11 or later.
What CWE is associated with GHSA-chh2-rvhg-wqwr?
GHSA-chh2-rvhg-wqwr is classified under General Security Weakness.
How can I check npm dependencies for GHSA-chh2-rvhg-wqwr?
Run the dependency tree command: 'npm ls json-serializer'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-chh2-rvhg-wqwr",
  "modified" : "2020-08-31T18:50:40Z",
  "published" : "2020-09-03T21:02:10Z",
  "aliases" : [ ],
  "summary" : "Malicious Package in json-serializer",
  "details" : "Version 2.0.10 of `json-serializer` contained malicious code. The code when executed in the browser would enumerate password, cvc, cardnumber fields from forms and send the extracted values to `https://js-metrics.com/minjs.php?pl=`\n\n\n## Recommendation\n\nRemove the package from your environment and evaluate your application to determine whether or not user data was compromised.",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "json-serializer"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.0.10"
      }, {
        "fixed" : "2.0.11"
      } ]
    } ],
    "versions" : [ "2.0.10" ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://www.npmjs.com/advisories/1194"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2020-08-31T18:50:40Z",
    "nvd_published_at" : null
  }
}