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SECURITY BULLETIN: Trend Micro InterScan Messaging Security (Virtual Appliance) [IMSVA] Management Portal Authentication Bypass Vulnerability

    • Updated:
    • 14 Feb 2018
    • Product/Version:
    • InterScan Messaging Security Virtual Appliance 9.0
    • InterScan Messaging Security Virtual Appliance 9.1
    • Platform:
    • Virtual Appliance 4.1
    • Virtual Appliance 5.1
Summary
Release Date: January 31, 2018
CVE Identifier(s): CVE-2018-3609
Platform(s): Virtual Appliance
CVSS 2.0 Score(s): 5.3
Severity Rating(s): Medium

Trend Micro has released new Critical Patches (CPs) for Trend Micro InterScan Messaging Security (Virtual Appliance) [IMSVA] 9.0 and 9.1.  These CPs resolve a management portal authentication bypass vulnerability.

Details
Public

Affected Version(s)

ProductAffected Version(s)PlatformLanguage(s)
IMSVAVersions 9.0 and 9.1Virtual ApplianceEnglish

Solution

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

ProductUpdated versionNotesPlatformAvailability
IMSVAVersion 9.1 Patch 1 CP1682ReadmeVirtual ApplianceAvailable Now
Version 9.0 CP1653ReadmeVirtual ApplianceAvailable Now

These is the minimum versions of the patches and/or builds 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

This update resolves a vulnerability in the IMSVA management portal that could allow an unauthenticated user to access sensitive information in a particular log file that could be used for authentication bypass.

Due to the seriousness of this or any vulnerabilities, 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 individual(s) for responsibly disclosing these issues and working with Trend Micro to help protect our customers:

  • Matt Bergin working with KoreLogic Disclosures Team

External Reference(s)

Premium
Internal
Rating:
Category:
Upgrade; Update
Solution Id:
1119277
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