CVE-2016-7572: Drupal/core Drupal Unprivileged Access To Config Vulnerability

MODERATE
Advisory Identifier: GHSA-fmqh-2j2x-vgp3
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CVSS 4.3
Published
Advisory Summary

CVE-2016-7572 is a MODERATE (CVSS 4.3) drupal unprivileged access to config vulnerability (General Security Weakness) affecting Drupal/core libraries in the Packagist ecosystem. The issue involves drupal unprivileged access to config export. Remediation is available by upgrading affected packages to version 8.1.10.

CVE-2016-7572 at a Glance

CVE Identifier CVE-2016-7572
GHSA Identifier GHSA-fmqh-2j2x-vgp3
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:3.0/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 CVE-2016-7572

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: 8.1.10 
Upgrade drupal/core to 8.1.10
drupal/drupal fixed: 8.1.10 
Upgrade drupal/drupal to 8.1.10
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 CVE-2016-7572, 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 8.1.10), 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 system.temporary route in Drupal 8.x before 8.1.10 does not properly check for "Export configuration" permission, which allows remote authenticated users to bypass intended access restrictions and read a full config export via unspecified vectors.

CVE-2016-7572 Affected Drupal/core Versions

2 component(s)
Fixed Versions:
8.1.10
Product / Package Ecosystem Affected Versions Fixed Version
drupal/core
 Packagist
≥ 8.0
< 8.1.10
8.1.10
drupal/drupal
 Packagist
≥ 8.0
< 8.1.10
8.1.10

References

NVD — CVE-2016-7572 NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-7572
Drupal/core Source Repository REPOSITORY
https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2016-7572.yaml
Drupal/core Source Repository REPOSITORY
https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2016-7572.yaml
Drupal/core Source Repository REPOSITORY
https://github.com/drupal/core
www.drupal.org/sa-core-2016-004 WEB
https://www.drupal.org/SA-CORE-2016-004
Drupal/core Security Information SECURITY
http://www.securityfocus.com/bid/93101
Drupal/core Security Information SECURITY
http://www.securitytracker.com/id/1036886

Frequently Asked Questions

What is CVE-2016-7572?
CVE-2016-7572 is a security vulnerability in Drupal/core involving Drupal Unprivileged access to config export under General Security Weakness.
Which Drupal/core versions are affected?
Affected versions include releases prior to 8.1.10 across affected packages: drupal/core, drupal/drupal.
What version fixes CVE-2016-7572?
Upgrading to 8.1.10 (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 8.1.10. Upgrade your dependency to 8.1.10 or later.
Is drupal/drupal affected?
Yes, drupal/drupal is affected in releases prior to 8.1.10. Upgrade your dependency to 8.1.10 or later.
What is the CVSS score of CVE-2016-7572?
CVE-2016-7572 has a CVSS v3.1 base score of 4.3 (MODERATE) with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2016-7572?
CVE-2016-7572 is classified under General Security Weakness.
How can I check Packagist dependencies for CVE-2016-7572?
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-fmqh-2j2x-vgp3",
  "modified" : "2024-04-23T22:17:36Z",
  "published" : "2022-05-17T03:47:57Z",
  "aliases" : [ "CVE-2016-7572" ],
  "summary" : "Drupal Unprivileged access to config export",
  "details" : "The system.temporary route in Drupal 8.x before 8.1.10 does not properly check for \"Export configuration\" permission, which allows remote authenticated users to bypass intended access restrictions and read a full config export via unspecified vectors.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/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"
      }, {
        "fixed" : "8.1.10"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "drupal/drupal"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "8.0"
      }, {
        "fixed" : "8.1.10"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2016-7572"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2016-7572.yaml"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2016-7572.yaml"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/drupal/core"
  }, {
    "type" : "WEB",
    "url" : "https://www.drupal.org/SA-CORE-2016-004"
  }, {
    "type" : "WEB",
    "url" : "http://www.securityfocus.com/bid/93101"
  }, {
    "type" : "WEB",
    "url" : "http://www.securitytracker.com/id/1036886"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-04-23T22:17:36Z",
    "nvd_published_at" : "2016-10-03T18:59:00Z"
  }
}