CVE-2020-14977 Information

Description

An issue was discovered in F-Secure SAFE 17.7 on macOS. The XPC services use the PID to identify the connecting client which allows an attacker to perform a PID reuse attack and connect to a privileged XPC service and execute privileged commands on the system. NOTE: the attacker needs to execute code on an already compromised machine.

CVSS Vector

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

Reference

https://theevilbit.github.io/posts/ https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame https://www.f-secure.com/en/home/products/safe

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1