Main Vulnerability Database Vulnerabilities #VU13138

Memory corruption in Apple Safari - CVE-2018-4233

Published: June 4, 2018 / Updated: June 17, 2021

Vulnerability identifier: #VU13138

CSH Severity: High

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-4233

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in the WebKit component when handling malicious input. A remote unauthenticated attacker can trick the victim into loading a specially crafted content, trigger a memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

Apple Safari
Gentoo Linux
watchOS
tvOS
Apple iOS
Opensuse
Ubuntu
Fedora
iCloud for Windows
iTunes
webkitgtk4
webkit2gtk3

How to mitigate CVE-2018-4233

Update to version 11.1.1.

webkitgtk4 - update to 2.20.3-1.fc27
webkit2gtk3 - update to 2.20.3-1.fc28

Links to Public Exploits and PoC-codes

External References

https://support.apple.com/en-us/HT208854