CVE-2021-31013

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, iOS 15.2 and iPadOS 15.2, macOS Big Sur 11.6.2. Processing a maliciously crafted font may result in the disclosure of process memory.

Se ha solucionado una lectura fuera de límites con una comprobación de límites mejorada. Este problema se ha solucionado en macOS Monterey 12.1, iOS 15.2 y iPadOS 15.2, macOS Big Sur 11.6.2. El procesamiento de una fuente maliciosa puede dar lugar a la divulgación de la memoria del proceso

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-04-13 CVE Reserved
2021-08-24 CVE Published
2023-03-17 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-125: Out-of-bounds Read

CAPEC

References (3)

URL	Tag	Source
https://support.apple.com/en-us/HT212976	X_refsource_misc
https://support.apple.com/en-us/HT212978	X_refsource_misc
https://support.apple.com/en-us/HT212979	X_refsource_misc

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apple Search vendor "Apple"		Ipados Search vendor "Apple" for product "Ipados"				< 15.2 Search vendor "Apple" for product "Ipados" and version " < 15.2"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				< 15.2 Search vendor "Apple" for product "Iphone Os" and version " < 15.2"		-		Affected
Apple Search vendor "Apple"		Macos Search vendor "Apple" for product "Macos"				>= 11.0 < 11.6.2 Search vendor "Apple" for product "Macos" and version " >= 11.0 < 11.6.2"		-		Affected
Apple Search vendor "Apple"		Macos Search vendor "Apple" for product "Macos"				>= 12.0.0 < 12.1 Search vendor "Apple" for product "Macos" and version " >= 12.0.0 < 12.1"		-		Affected