CVE-2020-9870 Information

Description

A logic issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6 macOS Catalina 10.15.6 tvOS 13.4.8. An attacker with memory write capability may be able to bypass pointer authentication codes and run arbitrary code.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://support.apple.com/HT211288 https://support.apple.com/HT211289 https://support.apple.com/HT211290

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8