GHSA-v95x-h953-x7fg: K0a multer Malicious Package Vulnerability

CRITICAL
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CVSS 9.8
CWE-506
Published
Advisory Summary

GHSA-v95x-h953-x7fg is a CRITICAL (CVSS 9.8) malicious package vulnerability (CWE-506: Embedded Malicious Code) affecting K0a multer libraries in the npm ecosystem. The issue involves malicious package in k0a_multer. Remediation is available in the latest vendor maintenance releases.

GHSA-v95x-h953-x7fg at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-v95x-h953-x7fg
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-506: Embedded Malicious Code
Affected Product K0a multer
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-v95x-h953-x7fg

To remediate this vulnerability, upgrade all affected K0a multer dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

k0a_multer fixed: Latest secure release 
npm install k0a_multer@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 k0a_multer

How to Check if You Are Affected

To determine whether your Node.js application is affected by GHSA-v95x-h953-x7fg, inspect your project dependencies using npm:

npm ls k0a_multer

Analyze the terminal output to locate any version of K0a multer 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 k0a_multer 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 K0a multer, 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

This package contained malicious code. The package uploaded system information such as OS and hostname to a remote server. ## Recommendation Remove the package from your environment. There are no indications of further compromise.

GHSA-v95x-h953-x7fg Affected K0a multer Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
k0a_multer
npm/k0a_multer
npm
≥ 0.0.0

References

www.npmjs.com/advisories/1130 WEB
https://www.npmjs.com/advisories/1130

Frequently Asked Questions

What is GHSA-v95x-h953-x7fg?
GHSA-v95x-h953-x7fg is a security vulnerability in K0a multer involving Malicious Package in k0a_multer under CWE-506: Embedded Malicious Code.
Which K0a multer versions are affected?
Affected versions include releases prior to current release patches across affected packages: k0a_multer.
What version fixes GHSA-v95x-h953-x7fg?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is k0a_multer affected?
Yes, k0a_multer 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-v95x-h953-x7fg?
GHSA-v95x-h953-x7fg 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-v95x-h953-x7fg?
GHSA-v95x-h953-x7fg 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-v95x-h953-x7fg?
Run the dependency tree command: 'npm ls k0a_multer'. 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-v95x-h953-x7fg",
  "modified" : "2021-09-30T20:19:28Z",
  "published" : "2020-09-03T19:47:55Z",
  "aliases" : [ ],
  "summary" : "Malicious Package in k0a_multer",
  "details" : "This package contained malicious code. The package uploaded system information such as OS and hostname to a remote server.\n\n\n## Recommendation\n\nRemove the package from your environment. There are no indications of further compromise.",
  "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" : "k0a_multer"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0.0.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://www.npmjs.com/advisories/1130"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-506" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2020-08-31T18:48:20Z",
    "nvd_published_at" : null
  }
}