Vulnerability identifier: #VU23680

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/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 perform a denial of service attack.

The vulnerability exists due to absent access restrictions to the install.php script. A remote unauthenticated attacker can access the install.php script and corrupt cached data that will lead to website inaccessibility.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Drupal: 8.8.0 - 8.8.0 rc1, 8.7.0 - 8.7.10

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External links
http://www.drupal.org/sa-core-2019-009

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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.