Input validation error in Moodle - CVE-2023-40317
Published: August 22, 2023
Vulnerability identifier: #VU79827
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-40317
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to insufficient validation of user-supplied input when parsing file repository reference properties. A remote attacker can execute arbitrary code on the system.
Affected software
Moodle
How to mitigate CVE-2023-40317
Install updates from vendor's website.
Moodle - addressed in versions 3.9.23, 3.11.16, 4.0.10, 4.1.5, 4.2.2