CVE-2018-4200

WebKit - 'WebCore::jsElementScrollHeightGetter' 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

An issue was discovered in certain Apple products. iOS before 11.3.1 is affected. Safari before 11.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site that triggers a WebCore::jsElementScrollHeightGetter use-after-free.

Se ha descubierto un problema en algunos productos Apple. Las versiones de iOS anteriores a la 11.3.1 se han visto afectadas. Se han visto afectadas las versiones de Safari anteriores a la 11.1, las versiones de iCloud anteriores a la 7.5 en Windows, las versiones de iTunes anteriores a la 12.7.5 en Windows y las versiones de tvOS anteriores a la 11.4. El problema afecta al componente "WebKit". Permite que atacantes remotos ejecuten código arbitrario o provoquen una denegación de servicio (corrupción de memoria y cierre inesperado de la aplicación) mediante un sitio web manipulado que desencadena un uso de memoria previamente liberada en WebCore::jsElementScrollHeightGetter.

There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on ASan build of revision 227958 on OSX.

*Credits: N/A

CVSS Scores

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

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

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
2018-04-26 CVE Published
2024-08-03 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-416: Use After Free

CAPEC

References (13)

URL	Tag	Source
http://www.securityfocus.com/bid/103961	Third Party Advisory
http://www.securitytracker.com/id/1040743	Third Party Advisory

URL	Date	SRC
https://www.exploit-db.com/exploits/44566	2024-08-05
https://bugs.chromium.org/p/project-zero/issues/detail?id=1525	2024-08-05

URL	Date	SRC

URL	Date	SRC
https://security.gentoo.org/glsa/201808-04	2019-03-07
https://support.apple.com/HT208741	2019-03-07
https://support.apple.com/HT208743	2019-03-07
https://support.apple.com/HT208850	2019-03-07
https://support.apple.com/HT208852	2019-03-07
https://support.apple.com/HT208853	2019-03-07
https://usn.ubuntu.com/3640-1	2019-03-07
https://access.redhat.com/security/cve/CVE-2018-4200	2018-10-30
https://bugzilla.redhat.com/show_bug.cgi?id=1577385	2018-10-30

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"	< 7.5 Search vendor "Apple" for product "Icloud" and version " < 7.5"	-	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"	< 12.7.5 Search vendor "Apple" for product "Itunes" and version " < 12.7.5"	-	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"				< 11.1 Search vendor "Apple" for product "Safari" and version " < 11.1"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				< 11.3.1 Search vendor "Apple" for product "Iphone Os" and version " < 11.3.1"		-		Affected
Apple Search vendor "Apple"		Tvos Search vendor "Apple" for product "Tvos"				< 11.4 Search vendor "Apple" for product "Tvos" and version " < 11.4"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				17.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "17.10"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"		lts		Affected