CVE-2021-30662

Apple macOS ImageIO TIFF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Severity Score

7.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

This issue was addressed with improved checks. This issue is fixed in iOS 14.5 and iPadOS 14.5. Processing a maliciously crafted file may lead to arbitrary code execution.

Se abordó este problema con comprobaciones mejoradas. Este problema es corregido en iOS versión 14.5 y iPadOS versión 14.5. El procesamiento de un archivo diseñado maliciosamente puede conllevar a una ejecución de código arbitrario

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Apple macOS. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the ImageIO framework. Crafted data in a TIFF image can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

*Credits: Anonymous

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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

2021-04-13 CVE Reserved
2021-07-22 CVE Published
2024-08-03 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://support.apple.com/en-us/HT212317	2021-09-20

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"				< 14.5 Search vendor "Apple" for product "Ipados" and version " < 14.5"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				< 14.5 Search vendor "Apple" for product "Iphone Os" and version " < 14.5"		-		Affected