Vulnerabilities in pkg:npm/atob

PACKAGE
Advisory Identifier: GHSA-8w4h-3cm3-2pm2
Share
Advisory Summary

CVE-2018-3745 is a CRITICAL (CVSS 9.1) out-of-bounds read vulnerability (CWE-125: Out-of-bounds Read) affecting Atob libraries in the npm ecosystem. The issue involves out-of-bounds read in atob. Remediation is available by upgrading affected packages to version 2.1.0.

1 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:npm/atob

1 Known Advisory Record(s)

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

Advisory ID CVE / NVD Severity Summary
GHSA-8w4h-3cm3-2pm2 CVE-2018-3745 CRITICAL Out-of-bounds Read in atob

CVE-2018-3745 at a Glance

CVE Identifier CVE-2018-3745
GHSA Identifier GHSA-8w4h-3cm3-2pm2
Severity CRITICAL
CVSS v3.1 Base Score 9.1
CWE Classification CWE-125: Out-of-bounds Read
Affected Product Atob
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:N/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 None (I:N)
Availability High (A:H)

How to Fix CVE-2018-3745

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

atob fixed: 2.1.0 
npm install atob@2.1.0
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 atob

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2018-3745, inspect your project dependencies using npm:

npm ls atob

Analyze the terminal output to locate any version of Atob in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.1.0), your application is affected.

Note: The npm ls atob 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-125: Out-of-bounds Read, where the product reads data past the end, or before the beginning, of the intended buffer. In Atob, 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

Versions of `atob` before 2.1.0 uninitialized Buffers when number is passed in input on Node.js 4.x and below. ## Recommendation Update to version 2.1.0 or later.

CVE-2018-3745 Affected Atob Versions

1 component(s)
Fixed Versions:
2.1.0
Product / Package Ecosystem Affected Versions Fixed Version
atob
npm/atob
npm
< 2.1.0
2.1.0

References

NVD — CVE-2018-3745 NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-3745
hackerone.com/reports/321686 WEB
https://hackerone.com/reports/321686
GitHub Advisory / Wiki ADVISORY
https://github.com/advisories/GHSA-8w4h-3cm3-2pm2
Atob Security Information SECURITY
https://security.netapp.com/advisory/ntap-20230622-0009
www.npmjs.com/advisories/646 WEB
https://www.npmjs.com/advisories/646

Frequently Asked Questions

What is CVE-2018-3745?
CVE-2018-3745 is a security vulnerability in Atob involving Out-of-bounds Read in atob under CWE-125: Out-of-bounds Read.
Which Atob versions are affected?
Affected versions include releases prior to 2.1.0 across affected packages: atob.
What version fixes CVE-2018-3745?
Upgrading to 2.1.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is atob affected?
Yes, atob is affected in releases prior to 2.1.0. Upgrade your dependency to 2.1.0 or later.
What is the CVSS score of CVE-2018-3745?
CVE-2018-3745 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:N/A:H.
What CWE is associated with CVE-2018-3745?
CVE-2018-3745 is classified under CWE-125: Out-of-bounds Read (The product reads data past the end, or before the beginning, of the intended buffer.).
How can I check npm dependencies for CVE-2018-3745?
Run the dependency tree command: 'npm ls atob'. 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-8w4h-3cm3-2pm2",
  "modified" : "2023-03-01T01:22:59Z",
  "published" : "2018-10-09T00:56:26Z",
  "aliases" : [ "CVE-2018-3745" ],
  "summary" : "Out-of-bounds Read in atob",
  "details" : "Versions of `atob` before 2.1.0  uninitialized Buffers when number is passed in input on Node.js 4.x and below.\n\n\n## Recommendation\n\nUpdate to version 2.1.0 or later.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "atob"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.1.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2018-3745"
  }, {
    "type" : "WEB",
    "url" : "https://hackerone.com/reports/321686"
  }, {
    "type" : "ADVISORY",
    "url" : "https://github.com/advisories/GHSA-8w4h-3cm3-2pm2"
  }, {
    "type" : "WEB",
    "url" : "https://security.netapp.com/advisory/ntap-20230622-0009"
  }, {
    "type" : "WEB",
    "url" : "https://www.npmjs.com/advisories/646"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-125" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2020-06-16T21:26:52Z",
    "nvd_published_at" : "2018-05-29T20:29:00Z"
  }
}