CVE-2020-9014 : Exploit Details and Defense Strategies

Epson iProjection v2.30 contains a vulnerability that allows local users to trigger a denial of service (BSOD) by manipulating the virtual audio device driver. The issue affects the driver file EMP_NSAU.sys.

Understanding CVE-2020-9014

This CVE entry describes a vulnerability in Epson iProjection v2.30 that can be exploited by local users to cause a denial of service through specific IOCTL requests to the virtual audio device driver.

What is CVE-2020-9014?

The vulnerability in the driver file EMP_NSAU.sys in Epson iProjection v2.30 enables local users to induce a denial of service (BSOD) by sending crafted input to the virtual audio device driver using specific IOCTL codes.

The Impact of CVE-2020-9014

The vulnerability allows local users to crash the system, leading to a denial of service condition. By exploiting this flaw, attackers can disrupt the normal operation of affected devices.

Technical Details of CVE-2020-9014

Epson iProjection v2.30 vulnerability details.

Vulnerability Description

Local users can trigger a denial of service (BSOD) by sending manipulated input to the virtual audio device driver with specific IOCTL codes.

Affected Systems and Versions

Product: Epson iProjection v2.30
Vendor: Epson
Versions: All versions of the affected product

Exploitation Mechanism

Attackers can exploit the vulnerability by sending crafted input to the virtual audio device driver with IOCTL 0x9C402402, 0x9C402406, or 0x9C40240A.

Mitigation and Prevention

Protecting systems from CVE-2020-9014.

Immediate Steps to Take

Monitor vendor updates for patches addressing the vulnerability.
Restrict access to vulnerable systems to trusted users only.

Long-Term Security Practices

Regularly update and patch software to mitigate known vulnerabilities.
Implement the principle of least privilege to limit user access rights.

Patching and Updates

Apply patches or updates provided by Epson to fix the vulnerability in iProjection v2.30.