CVE-2018-4318

WebKit - 'WebCore::SVGTextLayoutAttributes::context' Use-After-Free

Severity Score

8.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A use after free issue was addressed with improved memory management. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.

Se abordó un problema de uso de memoria previamente liberada con una gestión de memoria mejorada. El problema afectaba a iOS en versiones anteriores a la 12, tvOS en versiones anteriores a la 12, Safari en versiones anteriores a la 12, iTunes para Windows en versiones anteriores a la 12.9 y iCloud para Windows en versiones anteriores a la 7.7.

WebKit suffers from a WebCore::SVGTextLayoutAttributes::context use-after-free vulnerability.

*Credits: N/A

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:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-01-02 CVE Reserved
2018-09-25 CVE Published
2018-09-25 First Exploit
2024-05-20 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-416: Use After Free

CAPEC

References (6)

URL	Tag	Source

URL	Date	SRC
https://www.exploit-db.com/exploits/45488	2018-09-25

URL	Date	SRC

URL	Date	SRC
https://support.apple.com/kb/HT209106	2019-04-05
https://support.apple.com/kb/HT209107	2019-04-05
https://support.apple.com/kb/HT209109	2019-04-05
https://support.apple.com/kb/HT209140	2019-04-05
https://support.apple.com/kb/HT209141	2019-04-05

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apple Search vendor "Apple"	Icloud Search vendor "Apple" for product "Icloud"	< 7.7 Search vendor "Apple" for product "Icloud" and version " < 7.7"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Apple Search vendor "Apple"	Itunes Search vendor "Apple" for product "Itunes"	< 12.9 Search vendor "Apple" for product "Itunes" and version " < 12.9"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Apple Search vendor "Apple"		Safari Search vendor "Apple" for product "Safari"				< 12 Search vendor "Apple" for product "Safari" and version " < 12"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				< 12.0 Search vendor "Apple" for product "Iphone Os" and version " < 12.0"		-		Affected
Apple Search vendor "Apple"		Tvos Search vendor "Apple" for product "Tvos"				< 12 Search vendor "Apple" for product "Tvos" and version " < 12"		-		Affected