CVE-2018-6203 : Security Advisory and Response

A vulnerability in the driver file (econceal.sys) within eScan Antivirus 14.0.1400.2029 could allow local users to trigger a denial of service or other adverse consequences.

Understanding CVE-2018-6203

This CVE identifies a flaw in eScan Antivirus 14.0.1400.2029 that could be exploited by local users.

What is CVE-2018-6203?

The vulnerability in the driver file (econceal.sys) of eScan Antivirus 14.0.1400.2029 allows local users to cause a denial of service (BSOD) or other adverse effects due to improper input validation.

The Impact of CVE-2018-6203

The presence of this vulnerability could lead to local users triggering a denial of service (BSOD) or potentially causing other adverse consequences.

Technical Details of CVE-2018-6203

This section provides technical details about the vulnerability.

Vulnerability Description

The flaw in the driver file (econceal.sys) of eScan Antivirus 14.0.1400.2029 enables local users to exploit it for denial of service attacks or other adverse outcomes due to inadequate input validation.

Affected Systems and Versions

Product: eScan Antivirus 14.0.1400.2029
Vendor: eScan
Version: 14.0.1400.2029

Exploitation Mechanism

The vulnerability arises from the driver's failure to properly validate input values derived from IOCtl 0x8300210C.

Mitigation and Prevention

Protecting systems from CVE-2018-6203 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update eScan Antivirus to the latest version that includes a patch for this vulnerability.
Monitor system logs for any unusual activities that might indicate exploitation.

Long-Term Security Practices

Implement the principle of least privilege to restrict user access and actions.
Regularly educate users on security best practices to prevent unauthorized system access.

Patching and Updates

Apply security patches provided by eScan promptly to address this vulnerability and enhance system security.