CVE-2021-3805: Object path Prototype Pollution Vulnerability

HIGH
Advisory Identifier: GHSA-8v63-cqqc-6r2c
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CVSS 7.5
CWE-1321 CWE-915
Published
Advisory Summary

CVE-2021-3805 is a HIGH (CVSS 7.5) prototype pollution vulnerability (CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')) affecting Object path libraries in the npm ecosystem. The issue involves prototype pollution in object-path. Remediation is available by upgrading affected packages to version 0.11.8.

CVE-2021-3805 at a Glance

CVE Identifier CVE-2021-3805
GHSA Identifier GHSA-8v63-cqqc-6r2c
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Affected Product Object path
Package Ecosystem npm
Published Date
Last Updated

Security Impact

CVSS: 7.5

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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 None (C:N)
Integrity None (I:N)
Availability High (A:H)

How to Fix CVE-2021-3805

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

object-path fixed: 0.11.8 
npm install object-path@0.11.8
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 object-path

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2021-3805, inspect your project dependencies using npm:

npm ls object-path

Analyze the terminal output to locate any version of Object path in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.11.8), your application is affected.

Note: The npm ls object-path 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-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution'), where the product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. In Object path, 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

object-path is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution'). The `del()` function fails to validate which Object properties it deletes. This allows attackers to modify the prototype of Object, causing the modification of default properties like `toString` on all objects.

CVE-2021-3805 Affected Object path Versions

1 component(s)
Fixed Versions:
0.11.8
Product / Package Ecosystem Affected Versions Fixed Version
object-path
npm/object-path
npm
< 0.11.8
0.11.8

References

NVD — CVE-2021-3805 NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3805
Security Fix Commit FIX COMMIT
https://github.com/mariocasciaro/object-path/commit/4f0903fd7c832d12ccbe0d9c3d7e25d985e9e884
Object path Source Repository REPOSITORY
https://github.com/mariocasciaro/object-path
huntr.dev/bounties/571e3baf-7... WEB
https://huntr.dev/bounties/571e3baf-7c46-46e3-9003-ba7e4e623053
lists.debian.org/debian-lts-announce... WEB
https://lists.debian.org/debian-lts-announce/2023/01/msg00031.html

Frequently Asked Questions

What is CVE-2021-3805?
CVE-2021-3805 is a security vulnerability in Object path involving Prototype Pollution in object-path under CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution').
Which Object path versions are affected?
Affected versions include releases prior to 0.11.8 across affected packages: object-path.
What version fixes CVE-2021-3805?
Upgrading to 0.11.8 (or the latest patched release for your respective branch) resolves the vulnerability.
Is object-path affected?
Yes, object-path is affected in releases prior to 0.11.8. Upgrade your dependency to 0.11.8 or later.
What is the CVSS score of CVE-2021-3805?
CVE-2021-3805 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
What CWE is associated with CVE-2021-3805?
CVE-2021-3805 is classified under CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.).
How can I check npm dependencies for CVE-2021-3805?
Run the dependency tree command: 'npm ls object-path'. 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-8v63-cqqc-6r2c",
  "modified" : "2022-08-11T21:52:14Z",
  "published" : "2021-09-20T20:46:43Z",
  "aliases" : [ "CVE-2021-3805" ],
  "summary" : "Prototype Pollution in object-path",
  "details" : "object-path is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution'). The `del()` function fails to validate which Object properties it deletes. This allows attackers to modify the prototype of Object, causing the modification of default properties like `toString` on all objects.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "object-path"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.11.8"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-3805"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/mariocasciaro/object-path/commit/4f0903fd7c832d12ccbe0d9c3d7e25d985e9e884"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/mariocasciaro/object-path"
  }, {
    "type" : "WEB",
    "url" : "https://huntr.dev/bounties/571e3baf-7c46-46e3-9003-ba7e4e623053"
  }, {
    "type" : "WEB",
    "url" : "https://lists.debian.org/debian-lts-announce/2023/01/msg00031.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-1321", "CWE-915" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-09-20T20:13:12Z",
    "nvd_published_at" : "2021-09-17T06:15:00Z"
  }
}