Vulnerabilities in pkg:npm/bs58chekc

PACKAGE
Share
Advisory Summary

GHSA-fwvq-x4j9-hr5f is a CRITICAL (CVSS 9.1) malicious package vulnerability (CWE-506: Embedded Malicious Code) affecting Bs58chekc libraries in the npm ecosystem. The issue involves malicious package in bs58chekc. Remediation is available in the latest vendor maintenance releases.

1 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:npm/bs58chekc

1 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:npm/bs58chekc. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-fwvq-x4j9-hr5f - CRITICAL Malicious Package in bs58chekc

GHSA-fwvq-x4j9-hr5f at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-fwvq-x4j9-hr5f
Severity CRITICAL
CVSS v3.1 Base Score 9.1
CWE Classification CWE-506: Embedded Malicious Code
Affected Product Bs58chekc
Package Ecosystem npm
Published Date
Last Updated

Security Impact

CVSS: 9.1

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:N).

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 None (A:N)

How to Fix GHSA-fwvq-x4j9-hr5f

To remediate this vulnerability, upgrade all affected Bs58chekc dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

bs58chekc fixed: Latest secure release 
npm install bs58chekc@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 bs58chekc

How to Check if You Are Affected

To determine whether your Node.js application is affected by GHSA-fwvq-x4j9-hr5f, inspect your project dependencies using npm:

npm ls bs58chekc

Analyze the terminal output to locate any version of Bs58chekc 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 bs58chekc 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 Bs58chekc, 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 this package contained malware. The package was designed to find and exfiltrate cryptocurrency wallets. ## Recommendation Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

GHSA-fwvq-x4j9-hr5f Affected Bs58chekc Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
bs58chekc
npm/bs58chekc
npm
≥ 0.0.0

References

www.npmjs.com/advisories/1377 WEB
https://www.npmjs.com/advisories/1377

Frequently Asked Questions

What is GHSA-fwvq-x4j9-hr5f?
GHSA-fwvq-x4j9-hr5f is a security vulnerability in Bs58chekc involving Malicious Package in bs58chekc under CWE-506: Embedded Malicious Code.
Which Bs58chekc versions are affected?
Affected versions include releases prior to current release patches across affected packages: bs58chekc.
What version fixes GHSA-fwvq-x4j9-hr5f?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is bs58chekc affected?
Yes, bs58chekc 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-fwvq-x4j9-hr5f?
GHSA-fwvq-x4j9-hr5f has a CVSS v3.1 base score of 9.1 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
What CWE is associated with GHSA-fwvq-x4j9-hr5f?
GHSA-fwvq-x4j9-hr5f 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-fwvq-x4j9-hr5f?
Run the dependency tree command: 'npm ls bs58chekc'. 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-fwvq-x4j9-hr5f",
  "modified" : "2021-10-01T20:50:01Z",
  "published" : "2020-09-03T19:43:09Z",
  "aliases" : [ ],
  "summary" : "Malicious Package in bs58chekc",
  "details" : "All versions of this package contained malware. The package was designed to find and exfiltrate cryptocurrency wallets.\n\n\n## Recommendation\n\nAny computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer.\n\nThe package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "bs58chekc"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0.0.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://www.npmjs.com/advisories/1377"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-506" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2020-08-31T18:57:02Z",
    "nvd_published_at" : null
  }
}