CVE-2018-6524 : Exploit Details and Defense Strategies
Learn about CVE-2018-6524 affecting nProtect AVS V4.0. The driver file vulnerability could lead to denial of service attacks. Find mitigation steps and long-term security practices here.
CVE-2018-6524 was published on February 2, 2018, and affects nProtect AVS V4.0. The vulnerability in the driver file (TKFsAv.SYS) could allow local users to create a denial of service or other unknown consequences due to lack of input value validation.
Understanding CVE-2018-6524
This CVE entry highlights a security issue in nProtect AVS V4.0 that could lead to a denial of service attack.
What is CVE-2018-6524?
The driver file (TKFsAv.SYS) in nProtect AVS V4.0 before version 4.0.0.39 may allow local users to cause a denial of service (BSOD) or potentially have other unknown consequences due to the lack of input value validation from IOCtl 0x220c20.
The Impact of CVE-2018-6524
The vulnerability could result in a denial of service (BSOD) or other unspecified impacts when exploited by local users.
Technical Details of CVE-2018-6524
This section provides more technical insights into the vulnerability.
Vulnerability Description
The driver file (TKFsAv.SYS) in nProtect AVS V4.0 before version 4.0.0.39 allows local users to cause a denial of service or potentially have other unknown consequences due to input value validation issues.
Affected Systems and Versions
- Product: nProtect AVS V4.0
- Vendor: n/a
- Versions affected: Prior to version 4.0.0.39
Exploitation Mechanism
The vulnerability is triggered by the lack of input value validation from IOCtl 0x220c20, enabling local users to exploit the driver file.
Mitigation and Prevention
Protecting systems from CVE-2018-6524 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.
Long-Term Security Practices
- Implement the principle of least privilege to restrict user access and actions.
- Regularly review and update security policies and procedures to address emerging threats.
Patching and Updates
- Stay informed about security updates and patches released by the vendor to address vulnerabilities like CVE-2018-6524.