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GHSA-6g9h-6v79-w4pc CVE-2016-7570

Drupal Users without "Administer comments" can set comment visibility on nodes they can edit

Medium Packagist
Severity
4.3 / 10
Medium · CVSS 3.0
Exploit chance (EPSS)
1.68%
Chance of exploitation in the next 30 days. Higher than 76.90% of scored vulnerabilities.
Known exploited
No
Not in CISA's catalog
Weakness
CWE-269 Improper Privilege Management
Fix
Available
2 packages have a fixed version

Description

Drupal 8.x before 8.1.10 does not properly check for "Administer comments" permission, which allows remote authenticated users to set the visibility of comments for arbitrary nodes by leveraging rights to edit those nodes.

Affected versions

Packagist

PackageVulnerableFixed in
drupal/core
>= 8.0.0, < 8.1.10
8.1.10
drupal/drupal
>= 8.0.0, < 8.1.10
8.1.10

How to fix

Move to the fixed version or later with your package manager, update the lockfile, and run your tests. If the package only arrives through another dependency, upgrade that dependency first. If none of its releases pulls a fixed version yet, force the version with your package manager's override.

drupal/core Packagist → 8.1.10

composer
composer require drupal/core:^8.1.10

drupal/drupal Packagist → 8.1.10

composer
composer require drupal/drupal:^8.1.10

Severity breakdown

CVSS 3.0 4.3

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Weakness

CWE-269: Improper Privilege Management

The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

How to prevent it
  • Architecture and Design, Operation: Very carefully manage the setting, management, and handling of privileges. Explicitly manage trust zones in the software.
  • Architecture and Design: Follow the principle of least privilege when assigning access rights to entities in a software system.
  • Architecture and Design: Consider following the principle of separation of privilege. Require multiple conditions to be met before permitting access to a system resource.

References

Timeline

  1. Published
  2. Last updated by the source
  3. Latest EPSS score
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