Uncontrolled Recursion in Moodle - CVE-2021-36395

 

Uncontrolled Recursion in Moodle - CVE-2021-36395

Published: July 19, 2021


Vulnerability identifier: #VU54979
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-36395
CWE-ID: CWE-674
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: moodle.org
Affected software:
Moodle

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of file repository URLs. A remote attacker can create a specially crafted file repository URL and perform a denial of service attack.


How to mitigate CVE-2021-36395

Install updates from vendor's website.

Sources