CVE-2018-6523 : Security Advisory and Response

CVE-2018-6523 was published on February 2, 2018, and affects nProtect AVS V4.0. The vulnerability in the driver file (TKFsAv.SYS) could lead to denial of service or other impacts when exploited by local users.

Understanding CVE-2018-6523

This CVE entry highlights a security flaw in nProtect AVS V4.0 that could be exploited by local users, potentially resulting in a denial of service (BSOD) or other unidentified impacts.

What is CVE-2018-6523?

The driver file (TKFsAv.SYS) in nProtect AVS V4.0 prior to version 4.0.0.39 does not properly validate input values from IOCtl 0x22045c, leading to a denial of service (BSOD) or other unidentified impacts when exploited by local users.

The Impact of CVE-2018-6523

The vulnerability could allow local users to cause a denial of service (BSOD) or potentially have other unspecified impacts due to the lack of validation of input values from IOCtl 0x22045c.

Technical Details of CVE-2018-6523

This section provides more technical insights into the vulnerability.

Vulnerability Description

The driver file (TKFsAv.SYS) in nProtect AVS V4.0 before 4.0.0.39 allows local users to cause a denial of service (BSOD) or possibly have unspecified other impacts due to inadequate validation of input values from IOCtl 0x22045c.

Affected Systems and Versions

Product: n/a
Vendor: n/a
Versions affected: n/a

Exploitation Mechanism

The vulnerability can be exploited by local users manipulating input values from IOCtl 0x22045c, leading to a denial of service or other potential impacts.

Mitigation and Prevention

Protecting systems from CVE-2018-6523 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update nProtect AVS V4.0 to version 4.0.0.39 or later to mitigate the vulnerability.
Monitor system logs for any suspicious activities that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Implement the principle of least privilege to restrict user access and prevent unauthorized manipulation of system files.
Regularly educate users on safe computing practices to minimize the risk of exploitation.

Patching and Updates

Stay informed about security updates and patches released by nProtect to address vulnerabilities like CVE-2018-6523.