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SECURITY BULLETIN: Trend Micro InterScan Web Security Virtual Appliance 6.5 Multiple Vulnerabilities

    • Updated:
    • 27 May 2017
    • Product/Version:
    • InterScan Web Security Virtual Appliance 6.5
    • Platform:
    • Appliance All
Summary
Release Date: May 22, 2017
Trend Micro Vulnerability Identifier(s): VRTS-325, 327
Platform(s): Virtual Appliance
CVSS 3.0 Score(s): 4.5
Severity Rating(s): Medium

Trend Micro has released a new hot fix for Trend Micro InterScan Web Security Virtual Appliance (IWSVA) 6.5. This build resolves multiple vulnerabilities related to potential remote code execution.

Details
Public

Affected Version(s)

ProductAffected Version(s)PlatformLanguage(s)
IWSVAVersion 6.5Virtual ApplianceEnglish

Solution

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

ProductUpdated versionNotesPlatformAvailability
IWSVAVersion 6.5 SP2 HF 1755*ReadmeVirtual ApplianceNow

* Version 6.5 SP2 HF 1755 requires at least Version 6.5 SP2 Patch 1 (build 1707)  as a prerequisite and both are required to fully remediate the vulnerabilities covered in this bulletin.  In addition, HF 1755 is the minimum build number required for coverage - customers who have been given HF's with higher build numbers than 1755 for other specific issues are already covered.

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 multiple vulnerabilities in Trend Micro InterScan Web Security Virtual Appliance 6.5 in where are issues with the web service inspection of input parameters that could potentially be exploited to implement remote code injections.

 
Please note that exploitation of this vulnerability requires the attacker to have already obtained access to admin rights via some other method.

Due to the seriousness of these 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 individuals for responsibly disclosing these issues and working with Trend Micro to help protect our customers:

  • SSD of Beyond Security
Premium
Internal
Rating:
Category:
Update
Solution Id:
1117412
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