Memory corruption in Apple Safari - CVE-2018-4218

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Main Vulnerability Database Vulnerabilities #VU13137

Memory corruption in Apple Safari - CVE-2018-4218

Published: June 4, 2018


Vulnerability identifier: #VU13137
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-2018-4218
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit 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-2018-4218

Update to version 11.1.1.

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

External References

Related Security Bulletins