CVE-2017-17798 : Security Advisory and Response

CVE-2017-17798 was published on December 20, 2017, and affects TG Soft's Vir.IT eXplorer Lite 8.5.42. The vulnerability allows local users to launch a denial of service (BSOD) attack by exploiting the driver file VIRAGTLT.SYS.

Understanding CVE-2017-17798

This CVE entry highlights a vulnerability in the driver file of Vir.IT eXplorer Lite 8.5.42 that can be exploited by local users.

What is CVE-2017-17798?

The driver file (VIRAGTLT.SYS) in TG Soft's Vir.IT eXplorer Lite 8.5.42 is susceptible to a denial of service (BSOD) attack or potentially other impacts when local users exploit the lack of input value validation from IOCtl 0x8273A0A0. This vulnerability is distinct from CVE-2017-17800.

The Impact of CVE-2017-17798

The vulnerability allows local users to cause a denial of service (BSOD) or potentially have other unspecified impacts by not validating input values from IOCtl 0x8273A0A0.

Technical Details of CVE-2017-17798

This section provides technical details about the vulnerability.

Vulnerability Description

In TG Soft Vir.IT eXplorer Lite 8.5.42, the driver file (VIRAGTLT.SYS) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x8273A0A0, a different vulnerability than CVE-2017-17800.

Affected Systems and Versions

Product: n/a
Vendor: n/a
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Exploitation Mechanism

The vulnerability can be exploited by local users leveraging the lack of input value validation from IOCtl 0x8273A0A0.

Mitigation and Prevention

To address CVE-2017-17798, consider the following mitigation strategies:

Immediate Steps to Take

Implement principle of least privilege to restrict user access
Regularly update security patches and software

Long-Term Security Practices

Conduct regular security training for users
Monitor system logs for unusual activities

Patching and Updates

Apply patches and updates provided by TG Soft to address the vulnerability