CVE-2018-4366

FaceTime - 'VCPDecompressionDecodeFrame' Memory Corruption

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A memory corruption issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1.

Un problema de corrupción de memoria se abordó con una validación de entradas mejorada. Este problema afectaba a iOS en versiones anteriores a la 12.1.

There is a heap corruption vulnerability in VCPDecompressionDecodeFrame which is called by FaceTime. This bug can be reached if a user accepts a call from a malicious peer.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-01-02 CVE Reserved
2018-10-31 CVE Published
2018-11-06 First Exploit
2024-05-20 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://www.exploit-db.com/exploits/45788	2018-11-06

URL	Date	SRC

URL	Date	SRC
https://support.apple.com/kb/HT209192	2019-10-03

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				< 12.1 Search vendor "Apple" for product "Iphone Os" and version " < 12.1"		-		Affected