GHSA-m5p4-7wf9-6w99: Regenrator Malicious Package Vulnerability

CRITICAL
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CVSS 9.8
CWE-506
Published
Advisory Summary

GHSA-m5p4-7wf9-6w99 is a CRITICAL (CVSS 9.8) malicious package vulnerability (CWE-506: Embedded Malicious Code) affecting Regenrator libraries in the npm ecosystem. The issue involves malicious package in regenrator. Remediation is available in the latest vendor maintenance releases.

GHSA-m5p4-7wf9-6w99 at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-m5p4-7wf9-6w99
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-506: Embedded Malicious Code
Affected Product Regenrator
Package Ecosystem npm
Published Date
Last Updated

Security Impact

CVSS: 9.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix GHSA-m5p4-7wf9-6w99

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

regenrator fixed: Latest secure release 
npm install regenrator@Latest secure release
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 regenrator

How to Check if You Are Affected

To determine whether your Node.js application is affected by GHSA-m5p4-7wf9-6w99, inspect your project dependencies using npm:

npm ls regenrator

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

Note: The npm ls regenrator 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 CWE-506: Embedded Malicious Code, where the product contains code that appears to be malicious in nature. In Regenrator, 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

All versions of `regenrator` are considered malicious. The package is malware designed to take advantage of users making a mistake when typing the name of a module to install. When executed, the package calls home to a Command and Control server to execute arbitrary commands. ## Recommendation This package was published to the npm Registry for a very short period of time. If you happen to find it in your environment you should revoke and rotate all credentials found on the compromised machine, as well as completely erase the affected machine and reinstall your Operating System.

GHSA-m5p4-7wf9-6w99 Affected Regenrator Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
regenrator
npm/regenrator
npm

References

www.npmjs.com/advisories/685 WEB
https://www.npmjs.com/advisories/685

Frequently Asked Questions

What is GHSA-m5p4-7wf9-6w99?
GHSA-m5p4-7wf9-6w99 is a security vulnerability in Regenrator involving Malicious Package in regenrator under CWE-506: Embedded Malicious Code.
Which Regenrator versions are affected?
Affected versions include releases prior to current release patches across affected packages: regenrator.
What version fixes GHSA-m5p4-7wf9-6w99?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is regenrator affected?
Yes, regenrator is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of GHSA-m5p4-7wf9-6w99?
GHSA-m5p4-7wf9-6w99 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with GHSA-m5p4-7wf9-6w99?
GHSA-m5p4-7wf9-6w99 is classified under CWE-506: Embedded Malicious Code (The product contains code that appears to be malicious in nature.).
How can I check npm dependencies for GHSA-m5p4-7wf9-6w99?
Run the dependency tree command: 'npm ls regenrator'. 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-m5p4-7wf9-6w99",
  "modified" : "2021-10-01T13:29:07Z",
  "published" : "2020-09-01T21:10:53Z",
  "aliases" : [ ],
  "summary" : "Malicious Package in regenrator",
  "details" : "All versions of `regenrator` are considered malicious. The package is malware designed to take advantage of users making a mistake when typing the name of a module to install. When executed, the package calls home to a Command and Control server to execute arbitrary commands.\n\n\n## Recommendation\n\nThis package was published to the npm Registry for a very short period of time. If you happen to find it in your environment you should revoke and rotate all credentials  found on the compromised machine, as well as completely erase the affected machine and reinstall your Operating System.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "regenrator"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://www.npmjs.com/advisories/685"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-506" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2020-08-31T18:32:43Z",
    "nvd_published_at" : null
  }
}