CVE-2018-4222 Information

Description

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 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. watchOS before 4.3.1 is affected. The issue involves the \WebKit\ component. It allows remote attackers to execute arbitrary code via a crafted web site that leverages a getWasmBufferFromValue out-of-bounds read during WebAssembly compilation.

CVSS Vector

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

Reference

http://www.securitytracker.com/id/1041029 https://bugs.chromium.org/p/project-zero/issues/detail?id=1545 https://security.gentoo.org/glsa/201808-04 https://support.apple.com/HT208848 https://support.apple.com/HT208850 https://support.apple.com/HT208851 https://support.apple.com/HT208852 https://support.apple.com/HT208853 https://support.apple.com/HT208854 https://usn.ubuntu.com/3687-1/ https://www.exploit-db.com/exploits/44859/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8