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SECURITY BULLETIN: Trend Micro Anti-Threat Toolkit (ATTK) RCE Vulnerability

    • Updated:
    • 29 Oct 2019
    • Product/Version:
    • Platform:
Summary

Release Date: October 18, 2019

CVE Identifier(s): CVE-2019-9491

Platform(s): Windows

CVSS 3.0 Score(s): 7.5 - AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H

Severity Rating(s): High

Trend Micro has released a new version of the Anti-Threat Toolkit (ATTK). This new version resolves a vulnerability related to potential remote code execution (RCE) in vulnerable versions. 

Details
Public

Affected Version(s)

ProductAffected Version(s)PlatformLanguage(s)
Anti-Threat Toolkit (ATTK)1.62.0.1218 and belowWindowsEnglish

Solution

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

ProductUpdated versionPlatformAvailability
Anti-Threat Toolkit (ATTK)*1.62.0.1223*WindowsNow

*All standalone versions of the ATTK as well as other tools that have ATTK integrated (e.g. WCRY Patch Tool, OfficeScan Toolbox, etc.) have been updated with the newer version.

Vulnerability Details

This update resolves the following vulnerability in Trend Micro ATTK:

1. Vulnerable versions of ATTK may allow an attacker to place malicious files in the same directory, potentially leading to arbitrary remote code execution (RCE) when executed.

Customers are highly encouraged to update to the latest build as soon as possible.

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, 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:

  • John Page (aka hyp3rlinx) of Apparition Security

External Reference(s)

Premium
Internal
Rating:
Category:
Troubleshoot; Upgrade; Remove a Malware / Virus
Solution Id:
000149878
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