CVE-2024-27856

Apple WebKit WebCore ContainerNode Use-After-Free Remote Code Execution Vulnerability

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.5, iOS 16.7.8 and iPadOS 16.7.8, Safari 17.5, iOS 17.5 and iPadOS 17.5, watchOS 10.5, tvOS 17.5, visionOS 1.2. Processing a file may lead to unexpected app termination or arbitrary code execution.

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Apple WebKit. User interaction is required to exploit this vulnerability.
The specific flaw exists within the processing of Text objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.

*Credits: Junsung Lee

CVSS Scores

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

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:Track*

Exploitation

None

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2024-02-26 CVE Reserved
2025-01-15 CVE Published
2025-01-16 EPSS Updated
2025-01-24 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-94: Improper Control of Generation of Code ('Code Injection')

CAPEC

References (7)

URL	Tag	Source
https://support.apple.com/en-us/120896
https://support.apple.com/en-us/120898
https://support.apple.com/en-us/120901
https://support.apple.com/en-us/120902
https://support.apple.com/en-us/120903
https://support.apple.com/en-us/120905
https://support.apple.com/en-us/120906

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"		Ios Search vendor "Apple" for product "Ios"				*		-		Affected
Apple Search vendor "Apple"		Macos Search vendor "Apple" for product "Macos"				*		-		Affected
Apple Search vendor "Apple"		Safari Search vendor "Apple" for product "Safari"				*		-		Affected
Apple Search vendor "Apple"		Visionos Search vendor "Apple" for product "Visionos"				*		-		Affected
Apple Search vendor "Apple"		Watchos Search vendor "Apple" for product "Watchos"				*		-		Affected
Apple Search vendor "Apple"		Tvos Search vendor "Apple" for product "Tvos"				*		-		Affected