CVE-2018-6779 : Exploit Details and Defense Strategies

Jiangmin Antivirus version 16.0.0.100 contains a driver file named KSysCall.sys with a vulnerability that can be exploited by local users, potentially causing a denial of service (BSOD) or other negative effects due to input value validation failure.

Understanding CVE-2018-6779

This CVE involves a vulnerability in the Jiangmin Antivirus version 16.0.0.100 driver file KSysCall.sys, allowing local users to trigger a denial of service or other adverse impacts.

What is CVE-2018-6779?

Jiangmin Antivirus version 16.0.0.100 is susceptible to a vulnerability in the KSysCall.sys driver file, enabling local users to exploit it for malicious purposes.

The Impact of CVE-2018-6779

The vulnerability in Jiangmin Antivirus version 16.0.0.100 can lead to a denial of service (BSOD) or other negative consequences when local users manipulate the driver's input values.

Technical Details of CVE-2018-6779

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability in Jiangmin Antivirus version 16.0.0.100 arises from the driver file KSysCall.sys failing to validate input values from IOCtl 0x9A008240, allowing local users to exploit it.

Affected Systems and Versions

Affected Product: Jiangmin Antivirus version 16.0.0.100
Affected Vendor: Jiangmin Antivirus
Affected Version: 16.0.0.100

Exploitation Mechanism

The vulnerability can be exploited by local users manipulating the input values from IOCtl 0x9A008240 in the KSysCall.sys driver file.

Mitigation and Prevention

Protecting systems from CVE-2018-6779 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable or restrict access to vulnerable driver files and functions.
Implement the principle of least privilege to limit user capabilities.
Monitor system logs for any suspicious activities related to the vulnerability.

Long-Term Security Practices

Regularly update antivirus software and apply patches provided by the vendor.
Conduct security training for users to raise awareness of potential threats and safe computing practices.
Employ intrusion detection systems to identify and respond to unauthorized activities.

Patching and Updates

Check for patches or updates released by Jiangmin Antivirus to address the vulnerability in version 16.0.0.100.