CVE-2017-6338 : Security Advisory and Response

Trend Micro InterScan Web Security Virtual Appliance (IWSVA) 6.5 before CP 1746 has multiple access control issues that allow authenticated remote users with limited privileges to manipulate settings and upload certificates.

Understanding CVE-2017-6338

This CVE involves access control vulnerabilities in Trend Micro InterScan Web Security Virtual Appliance (IWSVA) 6.5 before CP 1746.

What is CVE-2017-6338?

CVE-2017-6338 identifies several access control problems in Trend Micro IWSVA 6.5 before CP 1746, enabling authenticated remote users with restricted privileges to make unauthorized changes.

The Impact of CVE-2017-6338

The vulnerabilities in CVE-2017-6338 allow users with limited access to manipulate FTP settings, create or modify reports, and upload sensitive certificates, potentially compromising system security.

Technical Details of CVE-2017-6338

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability in Trend Micro IWSVA 6.5 before CP 1746 permits authenticated remote users with low privileges to alter FTP Access Control Settings, generate or edit reports, and upload an HTTPS Decryption Certificate and Private Key.

Affected Systems and Versions

Product: Trend Micro InterScan Web Security Virtual Appliance (IWSVA) 6.5
Versions: Before CP 1746

Exploitation Mechanism

The vulnerability allows authenticated remote users with restricted privileges to exploit the system by manipulating various settings and uploading unauthorized certificates.

Mitigation and Prevention

Protecting systems from CVE-2017-6338 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply the latest security patches and updates from Trend Micro to mitigate the vulnerabilities.
Monitor user activities and restrict privileges to prevent unauthorized access.

Long-Term Security Practices

Conduct regular security audits and assessments to identify and address access control issues.
Educate users on secure practices and the importance of access control to prevent unauthorized actions.

Patching and Updates

Ensure timely installation of security patches and updates provided by Trend Micro to address the identified access control vulnerabilities.