CVE-2021-30983

Apple iOS and iPadOS Buffer Overflow Vulnerability

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

*SSVC

Descriptions

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 15.2 and iPadOS 15.2. An application may be able to execute arbitrary code with kernel privileges.

Se solucionó un problema de desbordamiento del búfer con una administración de la memoria mejorada. Este problema se solucionó en iOS versión 15.2 e iPadOS versión 15.2. Una aplicación puede ejecutar código arbitrario con privilegios del kernel

Apple iOS and iPadOS contain a buffer overflow vulnerability that could allow an application to execute code with kernel privileges.

*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

Complete

Integrity

Complete

Availability

Complete

* 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
2022-06-27 Exploited in Wild
2022-07-18 KEV Due Date
2024-07-30 EPSS Updated
2024-08-03 CVE Updated
---------- First Exploit

CWE

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://support.apple.com/en-us/HT212976	2024-06-28

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