Vulnerabilities in pkg:npm/b5ffer-xor

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Advisory Summary

GHSA-jvfv-jhw9-jmpp is a CRITICAL (CVSS 9.8) malicious package vulnerability (CWE-506: Embedded Malicious Code) affecting B5ffer xor libraries in the npm ecosystem. The issue involves malicious package in b5ffer-xor. Remediation is available in the latest vendor maintenance releases.

1 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:npm/b5ffer-xor

1 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:npm/b5ffer-xor. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-jvfv-jhw9-jmpp - CRITICAL Malicious Package in b5ffer-xor

GHSA-jvfv-jhw9-jmpp at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-jvfv-jhw9-jmpp
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-506: Embedded Malicious Code
Affected Product B5ffer xor
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-jvfv-jhw9-jmpp

To remediate this vulnerability, upgrade all affected B5ffer xor dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

b5ffer-xor fixed: Latest secure release 
npm install b5ffer-xor@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 b5ffer-xor

How to Check if You Are Affected

To determine whether your Node.js application is affected by GHSA-jvfv-jhw9-jmpp, inspect your project dependencies using npm:

npm ls b5ffer-xor

Analyze the terminal output to locate any version of B5ffer xor 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 b5ffer-xor 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 B5ffer xor, 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 2.0.2 contained malicious code. The package targeted the Ethereum cryptocurrency and performed transactions to wallets not controlled by the user. ## Recommendation Remove the package from your environment. Ensure no Ethereum funds were compromised.

GHSA-jvfv-jhw9-jmpp Affected B5ffer xor Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
b5ffer-xor
npm/b5ffer-xor
npm
≥ 0.0.0

References

www.npmjs.com/advisories/1228 WEB
https://www.npmjs.com/advisories/1228

Frequently Asked Questions

What is GHSA-jvfv-jhw9-jmpp?
GHSA-jvfv-jhw9-jmpp is a security vulnerability in B5ffer xor involving Malicious Package in b5ffer-xor under CWE-506: Embedded Malicious Code.
Which B5ffer xor versions are affected?
Affected versions include releases prior to current release patches across affected packages: b5ffer-xor.
What version fixes GHSA-jvfv-jhw9-jmpp?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is b5ffer-xor affected?
Yes, b5ffer-xor 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-jvfv-jhw9-jmpp?
GHSA-jvfv-jhw9-jmpp 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-jvfv-jhw9-jmpp?
GHSA-jvfv-jhw9-jmpp 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-jvfv-jhw9-jmpp?
Run the dependency tree command: 'npm ls b5ffer-xor'. 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-jvfv-jhw9-jmpp",
  "modified" : "2021-09-29T20:22:21Z",
  "published" : "2020-09-03T21:23:09Z",
  "aliases" : [ ],
  "summary" : "Malicious Package in b5ffer-xor",
  "details" : "Version 2.0.2 contained malicious code. The package targeted the Ethereum cryptocurrency and performed transactions to wallets not controlled by the user.\n\n\n## Recommendation\n\nRemove the package from your environment. Ensure no Ethereum funds were compromised.",
  "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" : "b5ffer-xor"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0.0.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://www.npmjs.com/advisories/1228"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-506" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2020-08-31T18:51:32Z",
    "nvd_published_at" : null
  }
}