CVE-2018-4124

critical

Description

An issue was discovered in certain Apple products. iOS before 11.2.6 is affected. macOS before 10.13.3 Supplemental Update is affected. tvOS before 11.2.6 is affected. watchOS before 4.2.3 is affected. The issue involves the "CoreText" component. It allows remote attackers to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact via a crafted string containing a certain Telugu character.

References

http://www.securitytracker.com/id/1040396

https://nakedsecurity.sophos.com/2018/02/20/apple-fixes-that-1-character-to-crash-your-mac-and-iphone-bug/

https://support.apple.com/HT208534

https://support.apple.com/HT208535

https://support.apple.com/HT208536

https://support.apple.com/HT208537

Details

Source: MITRE

Published: 2018-04-03

Updated: 2019-03-08

Type: CWE-119

Risk Information

CVSS v2

Base Score: 9

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:C

Impact Score: 8.5

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL