Vulnerability identifier: #VU73723

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Drupal
Web applications / CMS

Vendor: Drupal

Description

The vulnerability allows a remote attacker to gain unauthorized access to thumbnails of media items.

The vulnerability exists due to improper access restrictions to thumbnails of media items. A remote attacker can view contents of potentially sensitive files.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Drupal: 8.0 - 8.0.6, 8.1.0 beta1 - 8.1.10, 8.2.0 rc1 - 8.2.8, 8.3.0 beta1 - 8.3.9, 8.4.0 rc1 - 8.4.8, 8.5.0 beta1 - 8.5.15, 8.6.0 rc1 - 8.6.18, 8.7.0 alpha1 - 8.7.14, 8.8.0 alpha1 - 8.8.12, 8.9.0 beta1 - 8.9.20, 9.0.0 rc1 - 9.0.14, 9.1.0 - 9.1.15, 9.2.0 beta1 - 9.2.21, 9.3.0 beta1 - 9.3.22, 9.4.0 alpha1 - 9.4.11, 9.5.0 rc1, 9.5.0 beta1, 9.5.0 beta2, 9.5.0 rc2, 9.5.0, 9.5.1, 9.5.2, 9.5.3, 9.5.4, 10.0.0 beta1 - 10.0.4

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External links
http://www.drupal.org/sa-core-2023-002

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.