Type confusion in Apple iOS - CVE-2019-6215

Vulnerability identifier: #VU17168

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-2019-6215

CWE-ID: CWE-843

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to execute arbitrary code.

The weakness exists due to a boundary error in the WebKit component when handling malicious input. A remote attacker can trick the victim into processing a specially crafted content, trigger type confusion error and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

Apple iOS
Arch Linux
Gentoo Linux
tvOS
Opensuse
Fedora
webkit2gtk (Alpine package)
webkit2gtk3
iCloud for Windows
Apple Safari
iTunes

Update to version 12.1.3.

Apple iOS - update to 12.1.3 16D39
webkit2gtk (Alpine package) - update to 2.22.7-r0
iCloud for Windows - update to 7.10
tvOS - update to 12.1.2
Apple Safari - update to 12.0.3
iTunes - update to 12.9.3
webkit2gtk3 - addressed in versions 2.22.6-1.fc28, 2.22.6-1.fc29

• https://support.apple.com/en-us/HT209443

• Multiple vulnerabilities in Apple iOS
• Multiple vulnerabilities in Apple Safari
• Multiple vulnerabilities in Apple iCloud
• Multiple vulnerabilities in Apple tvOS
• Multiple vulnerabilities in Apple iTunes
• Arch Linux update for webkit2gtk
• OpenSUSE Linux update for webkit2gtk3
• OpenSUSE Linux update for webkit2gtk3
• Gentoo update for WebkitGTK+
• Type confusion in webkit2gtk (Alpine package)
• Fedora 28 update for webkit2gtk3
• Fedora 29 update for webkit2gtk3