Vulnerability identifier: #VU89530

Vulnerability risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-34005

CWE-ID: CWE-98

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Moodle
Web applications / Other software

Vendor: moodle.org

Description

The vulnerability allows a remote attacker to include and execute arbitrary PHP files on the server.

The vulnerability exists due to incorrect input validation when including PHP files in some misconfigured shared hosting environments via modified mod_data backup. A remote user can send a specially crafted HTTP request to the affected application, include and execute arbitrary PHP code on the system with privileges of the web server.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Moodle: 4.3.0 - 4.3.3, 4.2.0 - 4.2.6, 4.1.0 - 4.1.9, 4.0.0 - 4.0.12

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External links
http://moodle.org/mod/forum/discuss.php?d=458394
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-81267

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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.