Multiple vulnerabilities in Moodle

Published: 2022-01-24

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-0334 CVE-2022-0335
CWE-ID	CWE-284 CWE-352
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Moodle Web applications / Other software
Vendor	moodle.org

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper access control

EUVDB-ID: #VU59948

Risk: Medium

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: CVE-2022-0334

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. A remote authenticated attacker can access their grade report for courses where they did not have the required gradereport/user:view capability.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Moodle: 3.9.0 - 3.11.4

External links

http://moodle.org/mod/forum/discuss.php?d=431102

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) Cross-site request forgery

EUVDB-ID: #VU59949

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0335

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)