CVE-2019-6205 Information

Description

A memory corruption issue was addressed with improved lock state checking. This issue is fixed in iOS 12.1.3 macOS Mojave 10.14.3 tvOS 12.1.2. A malicious application may cause unexpected changes in memory shared between processes.

CVSS Vector

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

Reference

http://packetstormsecurity.com/files/156051/XNU-vm_map_copy-Insufficient-Fix.html http://www.securityfocus.com/bid/106695 https://support.apple.com/HT209443 https://support.apple.com/HT209446 https://support.apple.com/HT209447 https://www.exploit-db.com/exploits/46299/

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

7.8