CVE-2017-15302 : Vulnerability Insights and Analysis

CVE-2017-15302 was published on October 16, 2017, and affects CPUID CPU-Z version 1.81. The vulnerability allows improper access to a kernel-mode driver, potentially leading to information disclosure or privilege escalation.

Understanding CVE-2017-15302

This CVE entry highlights a security flaw in CPUID CPU-Z version 1.81 that can be exploited to access a kernel-mode driver improperly, posing risks of information exposure and privilege escalation.

What is CVE-2017-15302?

The vulnerability in CPUID CPU-Z version 1.81 enables unauthorized access to a kernel-mode driver, cpuz143_x64.sys, allowing attackers to read any physical address through ioctl 0x9C402604. This lack of access control can be exploited by any application on the Windows system, potentially leading to data leaks and privilege elevation.

The Impact of CVE-2017-15302

The security issue in CPUID CPU-Z version 1.81 can result in:

Unauthorized disclosure of sensitive information
Elevation of privileges for malicious actors

Technical Details of CVE-2017-15302

This section provides a deeper look into the technical aspects of CVE-2017-15302.

Vulnerability Description

The vulnerability allows any application, including sandboxed users, to send an ioctl command to the driver without proper validation, leading to potential information leaks and privilege escalation.

Affected Systems and Versions

Affected Product: CPUID CPU-Z
Affected Version: 1.81

Exploitation Mechanism

The vulnerability arises from the driver's ability to map any physical page on the system and provide the mapped page address to users, facilitating information leakage and privilege escalation.

Mitigation and Prevention

Protecting systems from CVE-2017-15302 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable or uninstall the vulnerable version of CPUID CPU-Z
Monitor for any suspicious activities on the system

Long-Term Security Practices

Regularly update software and drivers to patch known vulnerabilities
Implement access control lists (ACLs) to restrict unauthorized access to sensitive system components

Patching and Updates

Check for security updates from CPUID and apply patches promptly to address the vulnerability