GHSA-mh4h-27gq-cxwj: Drupal/core Drupal Core Access Bypass Vulnerability

MODERATE
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CVSS 4.3
Published
Advisory Summary

GHSA-mh4h-27gq-cxwj is a MODERATE (CVSS 4.3) drupal core access bypass vulnerability (General Security Weakness) affecting Drupal/core libraries in the Packagist ecosystem. The issue involves drupal core access bypass. Remediation is available by upgrading affected packages to version 8.7.11, 8.8.1.

GHSA-mh4h-27gq-cxwj at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-mh4h-27gq-cxwj
Severity MODERATE
CVSS v3.1 Base Score 4.3
CWE Classification General Security Weakness
Affected Product Drupal/core
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 4.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix GHSA-mh4h-27gq-cxwj

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

drupal/core fixed: 8.7.11 
Upgrade drupal/core to 8.7.11
drupal/core fixed: 8.8.1 
Upgrade drupal/core to 8.8.1
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for drupal/core

How to Check if You Are Affected

To determine whether your application is affected by GHSA-mh4h-27gq-cxwj, inspect your project dependencies for Drupal/core:

inspect dependencies for drupal/core

Analyze the terminal output to locate any version of Drupal/core in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 8.7.11), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under General Security Weakness. In Drupal/core, 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

The Media Library module has a security vulnerability whereby it doesn't sufficiently restrict access to media items in certain configurations. Solution: If you are using Drupal 8.7.x, you should upgrade to Drupal 8.7.11. If you are using Drupal 8.8.x, you should upgrade to Drupal 8.8.1. Versions of Drupal 8 prior to 8.7.x are end-of-life and do not receive security coverage. Alternatively, you may mitigate this vulnerability by unchecking the "Enable advanced UI" checkbox on `/admin/config/media/media-library`. (This mitigation is not available in 8.7.x.)

GHSA-mh4h-27gq-cxwj Affected Drupal/core Versions

2 component(s)
Fixed Versions:
8.7.118.8.1
Product / Package Ecosystem Affected Versions Fixed Version
drupal/core
 Packagist
≥ 8.0.0
< 8.7.11
8.7.11
drupal/core
 Packagist
≥ 8.8.0
< 8.8.1
8.8.1

References

Drupal/core Source Repository REPOSITORY
https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/2019-12-18-3.yaml
Drupal/core Source Repository REPOSITORY
https://github.com/drupal/core
www.drupal.org/sa-core-2019-011 WEB
https://www.drupal.org/sa-core-2019-011

Frequently Asked Questions

What is GHSA-mh4h-27gq-cxwj?
GHSA-mh4h-27gq-cxwj is a security vulnerability in Drupal/core involving Drupal core Access bypass under General Security Weakness.
Which Drupal/core versions are affected?
Affected versions include releases prior to 8.7.11, 8.8.1 across affected packages: drupal/core.
What version fixes GHSA-mh4h-27gq-cxwj?
Upgrading to 8.7.11, 8.8.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is drupal/core affected?
Yes, drupal/core is affected in releases prior to 8.7.11, 8.8.1. Upgrade your dependency to 8.7.11, 8.8.1 or later.
What is the CVSS score of GHSA-mh4h-27gq-cxwj?
GHSA-mh4h-27gq-cxwj has a CVSS v3.1 base score of 4.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with GHSA-mh4h-27gq-cxwj?
GHSA-mh4h-27gq-cxwj is classified under General Security Weakness.
How can I check Packagist dependencies for GHSA-mh4h-27gq-cxwj?
Run the dependency tree command: 'inspect dependencies for drupal/core'. 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-mh4h-27gq-cxwj",
  "modified" : "2024-05-15T20:44:16Z",
  "published" : "2024-05-15T20:44:16Z",
  "aliases" : [ ],
  "summary" : "Drupal core Access bypass",
  "details" : "The Media Library module has a security vulnerability whereby it doesn't sufficiently restrict access to media items in certain configurations.\n\nSolution:\nIf you are using Drupal 8.7.x, you should upgrade to Drupal 8.7.11.\nIf you are using Drupal 8.8.x, you should upgrade to Drupal 8.8.1.\nVersions of Drupal 8 prior to 8.7.x are end-of-life and do not receive security coverage.\n\nAlternatively, you may mitigate this vulnerability by unchecking the \"Enable advanced UI\" checkbox on `/admin/config/media/media-library`. (This mitigation is not available in 8.7.x.)",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "drupal/core"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "8.0.0"
      }, {
        "fixed" : "8.7.11"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "drupal/core"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "8.8.0"
      }, {
        "fixed" : "8.8.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/2019-12-18-3.yaml"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/drupal/core"
  }, {
    "type" : "WEB",
    "url" : "https://www.drupal.org/sa-core-2019-011"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-05-15T20:44:16Z",
    "nvd_published_at" : null
  }
}