CVE-2021-3962

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A flaw was found in ImageMagick where it did not properly sanitize certain input before using it to invoke convert processes. This flaw allows an attacker to create a specially crafted image that leads to a use-after-free vulnerability when processed by ImageMagick. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Se ha encontrado un fallo en ImageMagick que no sanea correctamente ciertas entradas antes de utilizarlas para invocar procesos de conversión. Este defecto permite a un atacante crear una imagen especialmente diseñada que conduce a una vulnerabilidad de uso después de la liberación cuando es procesada por ImageMagick. La mayor amenaza de esta vulnerabilidad es para la confidencialidad, la integridad, así como la disponibilidad del sistema

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-11-16 CVE Reserved
2021-11-19 CVE Published
2024-08-03 CVE Updated
2024-08-04 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-416: Use After Free

CAPEC

References (3)

URL	Tag	Source
https://github.com/ImageMagick/ImageMagick/issues/4446	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=2023196	2021-11-28
https://github.com/ImageMagick/ImageMagick/commit/82775af03bbb10a0a1d0e15c0156c75673b4525e	2021-11-28

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Imagemagick Search vendor "Imagemagick"		Imagemagick Search vendor "Imagemagick" for product "Imagemagick"				7.1.0-14 Search vendor "Imagemagick" for product "Imagemagick" and version "7.1.0-14"		-		Affected