Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2024-28147

Severity CVSS v4.0:
Pending analysis
Type:
CWE-434 Unrestricted Upload of File with Dangerous Type
Publication date:
20/06/2024
Last modified:
01/08/2024

Description

An authenticated user can upload arbitrary files in the upload <br /> function for collection preview images. An attacker may upload an HTML <br /> file that includes malicious JavaScript code which will be executed if a<br /> user visits the direct URL of the collection preview image (Stored <br /> Cross Site Scripting). It is also possible to upload SVG files that <br /> include nested XML entities. Those are parsed when a user visits the <br /> direct URL of the collection preview image, which may be utilized for a <br /> Denial of Service attack.<br /> <br /> This issue affects edu-sharing:

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.40 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.40
Severity 3.x
HIGH

References to Advisories, Solutions, and Tools