Vulnerability identifier: #VU82193

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-5548

CWE-ID: CWE-349

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Moodle
Web applications / Other software

Vendor: moodle.org

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to acceptance of extraneous untrusted data with trusted data within file serving endpoints revision control.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Moodle: 4.2.0 - 4.2.2, 4.1.0 - 4.1.5, 4.0.0 - 4.0.10, 3.11 - 3.11.16, 3.9.0 - 3.9.23, 3.5.0 - 3.5.18, 3.8.0 - 3.8.9, 3.7.0 - 3.7.9, 3.3 - 3.3.9, 3.6.0 - 3.6.10, 3.1.0 - 3.1.18, 3.4.0 - 3.4.9, 3.2.0 - 3.2.9, 3.0 - 3.0.10, 2.9 - 2.9.9, 2.8 - 2.8.12, 2.7 - 2.7.20, 2.6 - 2.6.11, 2.5 - 2.5.9, 2.4 - 2.4.11, 2.3 - 2.3.11, 2.2 - 2.2.11, 2.1 - 2.1.10, 2.0 - 2.0.10, 1.4.0 - 1.4.5, 1.2 - 1.2.106-2, 1.0 - 1.0.9, 1.9 - 1.9.19, 1.8 - 1.8.14, 1.7 - 1.7.7, 1.6 - 1.6.9, 1.5 - 1.5.4, 1.3 - 1.3.5, 1.1.0 - 1.1.1

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External links
http://moodle.org/mod/forum/discuss.php?d=451589

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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.