// For flags

CVE-2018-4200

WebKit - 'WebCore::jsElementScrollHeightGetter' Use-After-Free

Severity Score

8.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*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
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