CVE-2019-1390 : What You Need to Know
Learn about CVE-2019-1390, a critical vulnerability in VBScript engine's memory handling allowing remote code execution. Find mitigation steps and affected systems here.
A vulnerability related to remote code execution in the VBScript engine's memory object handling, known as the 'VBScript Remote Code Execution Vulnerability'.
Understanding CVE-2019-1390
What is CVE-2019-1390?
This CVE identifies a vulnerability in the VBScript engine's memory object handling that allows for remote code execution.
The Impact of CVE-2019-1390
The vulnerability poses a risk of remote attackers executing arbitrary code on the affected system, potentially leading to system compromise.
Technical Details of CVE-2019-1390
Vulnerability Description
The vulnerability lies in the way the VBScript engine manages objects in memory, enabling remote code execution.
Affected Systems and Versions
- Internet Explorer 9 on Windows Server 2008 for 32-bit Systems Service Pack 2
- Internet Explorer 9 on Windows Server 2008 for x64-based Systems Service Pack 2
- Internet Explorer 11 on various Windows versions
- Internet Explorer 10 on Windows Server 2012
Exploitation Mechanism
The vulnerability allows attackers to craft malicious scripts that, when executed, can exploit the VBScript engine's memory handling to run arbitrary code.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by Microsoft promptly.
- Consider disabling VBScript if not required for essential functionality.
Long-Term Security Practices
- Regularly update software and systems to mitigate known vulnerabilities.
- Implement network segmentation and least privilege access controls.
Patching and Updates
Ensure all affected systems are updated with the latest security patches from Microsoft to address the CVE-2019-1390 vulnerability.