CVE-2020-13671 Information

Description

Drupal core does not properly sanitize certain filenames on uploaded files which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations. This issue affects: Drupal Drupal Core 9.0 versions prior to 9.0.8 8.9 versions prior to 8.9.9 8.8 versions prior to 8.8.11 and 7 versions prior to 7.74.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://www.drupal.org/sa-core-2020-012 https://lists.fedoraproject.org/archives/list/[email protected]/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/ https://lists.fedoraproject.org/archives/list/[email protected]/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8