CVE-2020-24556 Information

Description

A vulnerability in Trend Micro Apex One and OfficeScan XG SP1 on Microsoft Windows may allow an attacker to create a hard link to any file on the system which then could be manipulated to gain a privilege escalation and code execution. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. Please note that version 1909 (OS Build 18363.719) of Microsoft Windows 10 mitigates hard links but previous versions are affected.

CVSS Vector

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

Reference

https://success.trendmicro.com/solution/000263632 https://success.trendmicro.com/solution/000263633 https://www.zerodayinitiative.com/advisories/ZDI-20-1093/

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