CVE-2020-25630 Information

Description

A vulnerability was found in Moodle where the decompressed size of zip files was not checked against available user quota before unzipping them which could lead to a denial of service risk. This affects versions 3.9 to 3.9.1 3.8 to 3.8.4 3.7 to 3.7.7 3.5 to 3.5.13 and earlier unsupported versions. Fixed in 3.9.2 3.8.5 3.7.8 and 3.5.14.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://moodle.org/mod/forum/discuss.php?d=410842

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5