CVE-2018-16721 Explained : Impact and Mitigation
Learn about CVE-2018-16721, a vulnerability in Jingyun Antivirus v2.4.2.39 that allows local users to cause a denial of service (BSOD) or other impacts due to inadequate input validation. Find mitigation steps and preventive measures here.
Jingyun Antivirus v2.4.2.39 contains a vulnerability in the driver file ZySandbox.sys that can be exploited by local users, potentially leading to a denial of service (BSOD) or other unspecified impacts. This vulnerability is related to CVE-2018-16306.
Understanding CVE-2018-16721
This CVE entry pertains to a specific vulnerability in Jingyun Antivirus v2.4.2.39.
What is CVE-2018-16721?
The driver file ZySandbox.sys in Jingyun Antivirus v2.4.2.39 allows local users to trigger a denial of service (BSOD) or other impacts due to inadequate validation of input values from IOCtl 0x12360090.
The Impact of CVE-2018-16721
The vulnerability can result in a denial of service (BSOD) or potentially have other impacts that are not specified, posing a risk to the system's stability and security.
Technical Details of CVE-2018-16721
This section covers the technical aspects of the CVE.
Vulnerability Description
The vulnerability in ZySandbox.sys can be exploited by local users, potentially leading to a denial of service or other unspecified impacts due to the lack of input validation.
Affected Systems and Versions
- Product: Jingyun Antivirus v2.4.2.39
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
The vulnerability arises from the driver file ZySandbox.sys not properly validating input values from IOCtl 0x12360090.
Mitigation and Prevention
Protecting systems from CVE-2018-16721 is crucial to maintaining security.
Immediate Steps to Take
- Monitor vendor updates for patches or security advisories.
- Consider restricting access to vulnerable components.
- Implement the principle of least privilege to limit potential damage.
Long-Term Security Practices
- Regularly update antivirus software and security solutions.
- Conduct security assessments and penetration testing to identify vulnerabilities.
- Educate users on safe computing practices to prevent exploitation.
Patching and Updates
- Apply patches or updates provided by the vendor to address the vulnerability and enhance system security.