Multiple vulnerabilities in Drupal

Published: 2022-04-20

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	N/A
CWE-ID	CWE-284 CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Drupal Web applications / CMS
Vendor	Drupal

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper access control

EUVDB-ID: #VU62462

Risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in Drupal core API. A remote user with access to revisions can bypass implemented security restrictions and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Drupal: 9.3.0 - 9.3.11

External links

http://www.drupal.org/sa-core-2022-009

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) Input validation error

EUVDB-ID: #VU62461

Risk: Medium

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

CVE-ID: N/A

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to alter critical or sensitive information.

The vulnerability exists due to insufficient validation of user-supplied input within the Drupal core's form API. A remote attacker can pass specially crafted input to the application and inject disallowed values or overwrite data, in certain cases an attacker can alter critical or sensitive data.