CVE-2020-9900 Information

Description

An issue existed within the path validation logic for symlinks. This issue was addressed with improved path sanitization. This issue is fixed in iOS 13.6 and iPadOS 13.6 macOS Catalina 10.15.6 tvOS 13.4.8 watchOS 6.2.8. A local attacker may be able to elevate their privileges.

CVSS Vector

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

Reference

https://support.apple.com/kb/HT211288 https://support.apple.com/kb/HT211289 https://support.apple.com/kb/HT211290 https://support.apple.com/kb/HT211291

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

7.8