Vulnerability identifier: #VU85548

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-399

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 (DoS) attack.

The vulnerability exists due to improper management of internal resources within the Comment module. A remote attacker can initiate comment reply requests and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Drupal: 10.2.0 - 10.2.1, 10.1.0 - 10.1.7, 10.0.0 - 10.0.11, 9.4.0 - 9.4.15, 9.3.0 - 9.3.22, 9.2.0 - 9.2.21, 9.1.0 - 9.1.15, 9.0.0 - 9.0.14, 8.9.0 - 8.9.20, 8.8.0 - 8.8.12, 8.7.0 - 8.7.14, 8.6.0 - 8.6.18, 8.5.0 - 8.5.15, 8.4.0 - 8.4.8, 8.3.0 - 8.3.9, 8.2.0 - 8.2.8, 8.1.0 - 8.1.10, 8.0 - 8.0.6

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External links
http://www.drupal.org/sa-core-2024-001

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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.