// For flags

CVE-2022-27883

Trend Micro Antivirus for Mac Link Following Privilege Escalation Vulnerability

Severity Score

7.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A link following vulnerability in Trend Micro Antivirus for Mac 11.5 could allow an attacker to create a specially-crafted file as a symlink that can lead to privilege escalation. Please note that an attacker must at least have low-level privileges on the system to attempt to exploit this vulnerability.

Una vulnerabilidad de seguimiento de enlaces en Trend Micro Antivirus para Mac versión 11.5, podría permitir a un atacante crear un archivo especialmente diseñado como un enlace simbólico que puede conllevar a una escalada de privilegios. Tenga en cuenta que un atacante debe tener al menos privilegios de bajo nivel en el sistema para intentar explotar esta vulnerabilidad

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Antivirus for Mac. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the libTmUtil dylib. By creating a symbolic link, an attacker can abuse the product to loosen permissions on a local file. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of root.

*Credits: Cees Elzinga
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-03-25 CVE Reserved
  • 2022-04-01 CVE Published
  • 2024-06-16 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-59: Improper Link Resolution Before File Access ('Link Following')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Trendmicro
Search vendor "Trendmicro"
 Antivirus For Mac
Search vendor "Trendmicro" for product "Antivirus For Mac"
 <= 11.5
Search vendor "Trendmicro" for product "Antivirus For Mac" and version " <= 11.5"
-
Affected