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Uncontrolled Resource Consumption in moodle

High severity GitHub Reviewed Published Feb 19, 2024 to the GitHub Advisory Database • Updated Jan 23, 2025

Package

composer moodle/moodle (Composer)

Affected versions

>= 4.3.0, < 4.3.3
>= 4.2.0, < 4.2.6
< 4.1.9

Patched versions

4.3.3
4.2.6
4.1.9

Description

Insufficient file size checks resulted in a denial of service risk in the file picker's unzip functionality.

References

Published by the National Vulnerability Database Feb 19, 2024
Published to the GitHub Advisory Database Feb 19, 2024
Reviewed Feb 21, 2024
Last updated Jan 23, 2025

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(32nd percentile)

Weaknesses

CVE ID

CVE-2024-25978

GHSA ID

GHSA-487g-3m3v-hjhq

Source code

No known source code
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