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SECURITY BULLETIN: Multiple Critical Vulnerabilities in Trend Micro Worry-Free Business Security

    • Updated:
    • 16 Mar 2020
    • Product/Version:
    • Worry-Free Business Security Advanced 10.0
    • Worry-Free Business Security Advanced 9.5
    • Worry-Free Business Security Standard 10.0
    • Worry-Free Business Security Standard 9.0
    • Worry-Free Business Security Standard 9.5
    • Platform:
Summary
Release Date: March 16, 2020
CVE Identifier(s): CVE-2020-8468, CVE-2020-8470, CVE-2020-8598, CVE-2020-8600
Platform(s): Windows
CVSS 3.0 Score(s): 8.0 - 10.0
Severity Rating(s): High, Critical

Trend Micro has released Critical Patches (CP) for Trend Micro Worry-Free Business Security that resolve multiple vulnerabilities in the product – including some critical (CVSS 10) ones.

 
Please note – Trend Micro has observed active attempts of potential attacks against at least one of these vulnerabilities in the wild (ITW) – details below. Customers are strongly encouraged to update to the latest versions as soon as possible.
 
Details
Public

Affected Version(s)

ProductAffected Version(s)PlatformLanguage(s)
Worry-Free Business Security9.5, 10.0WindowsEnglish

Solution

Trend Micro has released the following solutions to address the issue:

ProductUpdated versionNotesPlatformAvailability
Worry-Free Business Security10.0 SP1 B2190
Readme
WindowsMarch 16
9.5 B1525ReadmeWindowsMarch 16

This is the minimum version(s) of the patch and/or build required to address the issue. Trend Micro highly encourages customers to obtain the latest version of the product if there is a newer one available than the one listed in this bulletin.

Customers are encouraged to visit Trend Micro’s Download Center to obtain prerequisite software (such as Service Packs) before applying any of the solutions above.

Vulnerability Details

These critical patches resolve the following vulnerabilities in Trend Micro Worry-Free Business Security:

1. CVE-2020-8468: CVSS 8.0 (HIGH) – Trend Micro Worry-Free Business Security agents are affected by a content validation escape vulnerability which could allow an attacker to manipulate certain agent client components. An attempted attack requires user authentication.

 
ITW Alert: Trend Micro has observed at least one active attempt of potential exploitation of this vulnerability in the wild.
 

2. CVE-2020-8470: CVSS 10 (CRITICAL) – Trend Micro Worry-Free Business Security server contains a vulnerable service DLL file that could allow an attacker to delete any file on the server with SYSTEM level privileges. Authentication is not required to exploit this vulnerability.
Trend Micro has not observed any attempted exploits of this vulnerability at this time.

3. CVE-2020-8598: CVSS 10 (CRITICAL) - Trend Micro Worry-Free Business Security server contains a vulnerable service DLL file that could allow a remote attacker to execute arbitrary code on affected installations with SYSTEM level privileges. Authentication is not required to exploit this vulnerability.
Trend Micro has not observed any attempted exploits of this vulnerability at this time.

4. CVE-2020-8600: CVSS 8.6 (HIGH) – Trend Micro Worry-Free Business Security is affected by a directory traversal vulnerability that could allow an attacker to manipulate a key file to bypass authentication.
Trend Micro has not observed any attempted exploits of this vulnerability at this time.

Mitigating Factors

Exploiting these type of vulnerabilities generally require that an attacker has access (physical or remote) to a vulnerable machine. In addition to timely application of patches and updated solutions, customers are also advised to review remote access to critical systems and ensure policies and perimeter security is up-to-date.

However, even though an exploit may require several specific conditions to be met, due to the critical nature of these vulnerabilities, Trend Micro strongly encourages customers to update to the latest builds as soon as possible.

Acknowledgement

Trend Micro would like to thank the following individuals for responsibly disclosing these issues and working with Trend Micro to help protect our customers:

External Reference(s)

Premium
Internal
Partner
Rating:
Category:
Upgrade; Update
Solution Id:
000245572
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