CVE-2018-16719 : Exploit Details and Defense Strategies

Jingyun Antivirus v2.4.2.39 is susceptible to a vulnerability due to unverified input values in the driver file, potentially leading to denial of service attacks or other unspecified consequences.

Understanding CVE-2018-16719

This CVE entry highlights a security issue in Jingyun Antivirus v2.4.2.39 that could be exploited by local users.

What is CVE-2018-16719?

The vulnerability arises from unverified input values in the driver file of Jingyun Antivirus v2.4.2.39, specifically related to IOCtl 0x00221482.

The Impact of CVE-2018-16719

The presence of this vulnerability allows local users to potentially trigger a denial of service (BSOD) or other unspecified consequences on affected systems.

Technical Details of CVE-2018-16719

Jingyun Antivirus v2.4.2.39 vulnerability details and affected systems.

Vulnerability Description

The driver file (hookbody.sys) in Jingyun Antivirus v2.4.2.39 fails to validate input values from IOCtl 0x00221482, enabling local users to exploit the system.

Affected Systems and Versions

Product: Jingyun Antivirus v2.4.2.39
Vendor: Jingyun
Version: Not available

Exploitation Mechanism

The vulnerability can be exploited by local users to cause a denial of service (BSOD) or other unspecified impacts by manipulating the unverified input values.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2018-16719 vulnerability.

Immediate Steps to Take

Update Jingyun Antivirus to the latest version if available.
Monitor system logs for any suspicious activities related to IOCtl 0x00221482.

Long-Term Security Practices

Implement the principle of least privilege to restrict user access.
Regularly review and update security configurations to prevent similar vulnerabilities.

Patching and Updates

Apply security patches provided by Jingyun for addressing the vulnerability in the affected version of the antivirus software.