CVE-2020-15362: Wifiscanner OS Command Injection Vulnerability

CRITICAL
Advisory Identifier: GHSA-m6rw-m2v9-7hx4
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CVSS 9.8
CWE-78
Published
Advisory Summary

CVE-2020-15362 is a CRITICAL (CVSS 9.8) os command injection vulnerability (CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')) affecting Wifiscanner libraries in the npm ecosystem. The issue involves os command injection in wifiscanner. Remediation is available in the latest vendor maintenance releases.

CVE-2020-15362 at a Glance

CVE Identifier CVE-2020-15362
GHSA Identifier GHSA-m6rw-m2v9-7hx4
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Affected Product Wifiscanner
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 CVE-2020-15362

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

wifiscanner fixed: Latest secure release 
npm install wifiscanner@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 wifiscanner

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2020-15362, inspect your project dependencies using npm:

npm ls wifiscanner

Analyze the terminal output to locate any version of Wifiscanner 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 wifiscanner 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-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection'), where the product constructs all or part of an os command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended os command when it is sent to a downstream component. In Wifiscanner, 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

wifiscanner.js in thingsSDK WiFi Scanner 1.0.1 allows Code Injection because it can be used with options to overwrite the default executable/binary path and its arguments. An attacker can abuse this functionality to execute arbitrary code.

CVE-2020-15362 Affected Wifiscanner Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
wifiscanner
npm/wifiscanner
npm
≤ 1.0.1

References

NVD — CVE-2020-15362 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15362
Wifiscanner Source Repository REPOSITORY
https://github.com/thingsSDK/wifiscanner/issues/1

Frequently Asked Questions

What is CVE-2020-15362?
CVE-2020-15362 is a security vulnerability in Wifiscanner involving OS Command Injection in wifiscanner under CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection').
Which Wifiscanner versions are affected?
Affected versions include releases prior to current release patches across affected packages: wifiscanner.
What version fixes CVE-2020-15362?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is wifiscanner affected?
Yes, wifiscanner is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2020-15362?
CVE-2020-15362 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 CVE-2020-15362?
CVE-2020-15362 is classified under CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') (The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.).
How can I check npm dependencies for CVE-2020-15362?
Run the dependency tree command: 'npm ls wifiscanner'. 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-m6rw-m2v9-7hx4",
  "modified" : "2021-07-29T19:48:29Z",
  "published" : "2021-05-17T21:00:59Z",
  "aliases" : [ "CVE-2020-15362" ],
  "summary" : "OS Command Injection in wifiscanner",
  "details" : "wifiscanner.js in thingsSDK WiFi Scanner 1.0.1 allows Code Injection because it can be used with options to overwrite the default executable/binary path and its arguments. An attacker can abuse this functionality to execute arbitrary code.",
  "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" : "wifiscanner"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "1.0.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-15362"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/thingsSDK/wifiscanner/issues/1"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-78" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-05-11T21:36:14Z",
    "nvd_published_at" : "2020-06-29T17:15:00Z"
  }
}