CVE-2018-0875 : What You Need to Know
Learn about CVE-2018-0875, the ".NET Core Denial of Service Vulnerability" affecting .NET Core 1.0, 1.1, 2.0, and PowerShell Core 6.0.0. Find out the impact, affected systems, exploitation method, and mitigation steps.
A vulnerability known as the ".NET Core Denial of Service Vulnerability" has been identified in .NET Core 1.0, .NET Core 1.1, .NET Core 2.0, and PowerShell Core 6.0.0. It can be exploited when handling specially crafted requests, potentially leading to a denial of service.
Understanding CVE-2018-0875
What is CVE-2018-0875?
The CVE-2018-0875, also known as the ".NET Core Denial of Service Vulnerability," affects various versions of .NET Core and PowerShell Core, allowing attackers to exploit specially crafted requests to cause a denial of service.
The Impact of CVE-2018-0875
This vulnerability can result in a denial of service condition on systems running the affected versions of .NET Core and PowerShell Core, potentially disrupting services and causing downtime.
Technical Details of CVE-2018-0875
Vulnerability Description
CVE-2018-0875, the ".NET Core Denial of Service Vulnerability," arises from how the affected versions of .NET Core and PowerShell Core handle specially crafted requests, enabling attackers to trigger a denial of service.
Affected Systems and Versions
- Product: .NET Core
- Vendor: Microsoft Corporation
- Versions Affected: .NET Core 1.0, .NET Core 1.1, .NET Core 2.0, PowerShell Core 6.0.0
Exploitation Mechanism
The vulnerability is exploited by sending specially crafted requests to systems running the affected versions of .NET Core and PowerShell Core, causing them to become unresponsive or crash.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by Microsoft to address the vulnerability promptly.
- Monitor network traffic for any signs of exploitation attempts targeting this vulnerability.
- Implement network segmentation to limit the impact of a potential attack.
Long-Term Security Practices
- Regularly update software and systems to ensure they are protected against known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address any weaknesses in the infrastructure.
Patching and Updates
It is crucial to stay informed about security updates released by Microsoft for .NET Core and PowerShell Core to mitigate the risk of exploitation.