CVE-2018-9043 : Security Advisory and Response

Advanced SystemCare Ultimate 11.0.1.58 is vulnerable to a denial of service attack due to a driver file issue.

Understanding CVE-2018-9043

The driver file in Advanced SystemCare Ultimate 11.0.1.58 exposes a vulnerability that can be exploited by local users to cause a denial of service, potentially resulting in a Blue Screen of Death (BSOD).

What is CVE-2018-9043?

The driver file (Monitor_win10_x64.sys) in Advanced SystemCare Ultimate 11.0.1.58 is susceptible to an attack where local users can trigger a denial of service by exploiting a lack of input value validation from IOCtl 0x9c4060d0.

The Impact of CVE-2018-9043

The vulnerability can lead to a Blue Screen of Death (BSOD) or other unspecified consequences due to the absence of proper input validation.

Technical Details of CVE-2018-9043

Vulnerability Description

The driver file in Advanced SystemCare Ultimate 11.0.1.58 allows local users to cause a denial of service (BSOD) or potentially have other unspecified impacts by not validating input values from IOCtl 0x9c4060d0.

Affected Systems and Versions

Product: Advanced SystemCare Ultimate 11.0.1.58
Vendor: Not specified
Version: Not applicable

Exploitation Mechanism

The vulnerability arises from the lack of input value validation from IOCtl 0x9c4060d0, enabling local users to exploit the driver file and cause a denial of service.

Mitigation and Prevention

Immediate Steps to Take

Disable or remove the affected driver file (Monitor_win10_x64.sys).
Monitor system logs for any unusual activities that might indicate exploitation attempts.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Implement least privilege access to limit the impact of potential attacks.

Patching and Updates

Apply any available patches or updates provided by the software vendor to fix the vulnerability.