Published:2020/10/06  Last Updated:2020/10/06

JVNVU#95014999
Trend Micro Antivirus for Mac vulnerable to a privilege escalation

Overview

Antivirus for Mac provided by Trend Micro Incorporated contain a privilege escalation vulnerability.

Products Affected

  • Antivirus for Mac 2019 (v9.x)
  • Antivirus for Mac 2020 (v10.x)

Description

Antivirus for Mac provided by Trend Micro Incorporated contain a symbolic link privilege escalation vulnerability (CWE-61).

Impact

An attacker who can access the product could exploit a crafted symbolic link on the system and may remove arbitrary files and folders.

Solution

Update the software
Apply the appropriate update according to the information provided by the developer.

  • Antivirus for Mac 2019 (v9.x)
    • The 2019 family (Version 9.x) is no longer supported. The developer recommends users to upgrade to the latest supported version.
  • Antivirus for Mac 2020 (v10.x)
    • The necessary patch (10.0.1803) is already available. Users of version 10.0 or above already have the patch applied through the product’s automatic ActiveUpdate feature.

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score: 7.8
Attack Vector(AV) Physical (P) Local (L) Adjacent (A) Network (N)
Attack Complexity(AC) High (H) Low (L)
Privileges Required(PR) High (H) Low (L) None (N)
User Interaction(UI) Required (R) None (N)
Scope(S) Unchanged (U) Changed (C)
Confidentiality Impact(C) None (N) Low (L) High (H)
Integrity Impact(I) None (N) Low (L) High (H)
Availability Impact(A) None (N) Low (L) High (H)

Credit

Trend Micro Incorporated reported this vulnerability to JPCERT/CC to notify users of its solution through JVN. JPCERT/CC and Trend Micro Incorporated coordinated under the Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2020-25776
JVN iPedia