CVE-2021-30707

Apple macOS AudioToolboxCore RF64 File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

Severity Score

8.8

*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 macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. Processing a maliciously crafted audio file may lead to arbitrary code execution.

Se abordó este problema con comprobaciones mejoradas. Este problema es corregido en macOS Big Sur versión 11.4, tvOS versión 14.6, watchOS versión 7.5, iOS versión 14.6 y iPadOS versión 14.6. El procesamiento de un archivo de audio 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. Interaction with the AudioToolboxCore library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.
The specific flaw exists within the parsing of RF64 audio files. A crafted RF64 file can trigger an overflow of a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

*Credits: hjy79425575

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

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
2021-05-26 CVE Published
2024-08-03 CVE Updated
2024-08-14 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

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

CAPEC

References (4)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://support.apple.com/en-us/HT212528	2021-09-16
https://support.apple.com/en-us/HT212529	2021-09-16
https://support.apple.com/en-us/HT212532	2021-09-16
https://support.apple.com/en-us/HT212533	2021-09-16

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"				< 14.6 Search vendor "Apple" for product "Ipados" and version " < 14.6"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				< 14.6 Search vendor "Apple" for product "Iphone Os" and version " < 14.6"		-		Affected
Apple Search vendor "Apple"		Macos Search vendor "Apple" for product "Macos"				>= 11.0 < 11.4 Search vendor "Apple" for product "Macos" and version " >= 11.0 < 11.4"		-		Affected
Apple Search vendor "Apple"		Tvos Search vendor "Apple" for product "Tvos"				< 14.6 Search vendor "Apple" for product "Tvos" and version " < 14.6"		-		Affected
Apple Search vendor "Apple"		Watchos Search vendor "Apple" for product "Watchos"				< 7.5 Search vendor "Apple" for product "Watchos" and version " < 7.5"		-		Affected