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SECURITY BULLETIN: Trend Micro Encryption for Email Service DLL Pre-Loading Vulnerability

    • Updated:
    • 18 Nov 2017
    • Product/Version:
    • Encryption for Email 5.All
    • Platform:
    • N/A N/A
Summary
Release Date: November 17, 2017
Trend Micro Vulnerability Identifier(s): VRTS-1128
CVE Identifier(s):  CVE-2017-11397
Platform(s): Windows
CVSS 3.0 Score:  7
Severity:  High

Trend Micro has released a new build of Trend Micro Encryption for Email.  This build resolves a service DLL pre-loading vulnerability.

Details
Public

Affected Version(s)

ProductAffected Version(s)PlatformLanguage(s)
Trend Micro Encryption for EmailVersions 5.6.0.1073 and belowWindowsEnglish

Solution

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

ProductUpdated versionNotesPlatformAvailability
Trend Micro Encryption for EmailVersion 5.9.0.1082ReadmeWindowsNow

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

This new version of Trend Micro Encryption for Email resolves a service DLL pre-loading vulnerability that could allow an unauthenicated remote attacker to execute arbitrary code on a vulnerable system.  

Due to the seriousness of this and any vulnerabiity in general, 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:

  • Kushal Arvind Shah of Fortinet's Fortiguard Labs

External Reference(s)

Premium
Internal
Rating:
Category:
Upgrade; Update
Solution Id:
1118796
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