CVE-2019-6492 : Vulnerability Insights and Analysis
Discover the impact of CVE-2019-6492 on IObit Smart Defrag 6. Learn about the vulnerability in SmartDefragDriver.sys and how to mitigate the kernel pointer leak risk.
IObit Smart Defrag 6 is affected by a vulnerability where the SmartDefragDriver.sys fails to release an executable kernel pool, potentially leading to a kernel pointer leak.
Understanding CVE-2019-6492
When the IOCTL 0x9C401CC4 is triggered in IObit Smart Defrag 6, a specific issue arises with the SmartDefragDriver.sys component.
What is CVE-2019-6492?
The vulnerability occurs due to the failure of the SmartDefragDriver.sys (version 2.0) to release an executable kernel pool allocated with user-defined bytes and size. This oversight can result in a potential kernel pointer leak if the kernel pool grows to a certain size.
The Impact of CVE-2019-6492
The vulnerability could be exploited by attackers to leak sensitive kernel pointers, potentially leading to further system compromise or information disclosure.
Technical Details of CVE-2019-6492
In-depth technical insights into the vulnerability.
Vulnerability Description
The SmartDefragDriver.sys (version 2.0) in IObit Smart Defrag 6 fails to release an executable kernel pool allocated with user-defined bytes and size when IOCTL 0x9C401CC4 is called, potentially resulting in a kernel pointer leak.
Affected Systems and Versions
- Product: IObit Smart Defrag 6
- Vendor: IObit
- Version: SmartDefragDriver.sys 2.0
Exploitation Mechanism
- Attackers can trigger the IOCTL 0x9C401CC4 to exploit the vulnerability and potentially leak kernel pointers.
Mitigation and Prevention
Best practices to mitigate the CVE-2019-6492 vulnerability.
Immediate Steps to Take
- Consider disabling or restricting access to the affected component until a patch is available.
- Monitor system logs for any suspicious activities related to kernel pointer manipulation.
Long-Term Security Practices
- Regularly update and patch software to ensure vulnerabilities are addressed promptly.
- Implement least privilege access controls to limit the impact of potential exploits.
Patching and Updates
- Stay informed about security updates from IObit and apply patches as soon as they are released.