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Information Exposure Affecting drupal/drupal package, versions >=7.0.0, <7.56 >=8.0.0, <8.3.4

0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.73% (81st percentile)
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NVD
6.5 medium

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  • Snyk ID SNYK-PHP-DRUPALDRUPAL-70091
  • published 21 Jun 2017
  • disclosed 21 Jun 2017
  • credit Greg Knaddison, Mori Sugimoto, iancawthorne
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Introduced: 21 Jun 2017

CVE-2017-6922 Open this link in a new tab
CWE-200 Open this link in a new tab

How to fix?

Upgrade drupal/drupal to version 7.56, 8.3.4 or higher.

Overview

Affected versions of drupal/drupal are vulnerable to Information Exposure.

Private files that have been uploaded by an anonymous user but not permanently attached to content on the site should only be visible to the anonymous user that uploaded them, rather than all anonymous users. Drupal core did not previously provide this protection, allowing an access bypass vulnerability to occur. This issue is mitigated by the fact that in order to be affected, the site must allow anonymous users to upload files into a private file system.