CVE-2019-11139 : Exploit Details and Defense Strategies
Learn about CVE-2019-11139, a vulnerability in Intel Xeon Scalable Processors that allows a local user to trigger a denial of service attack. Find out how to mitigate and prevent this issue.
A potential vulnerability has been identified in the voltage modulation interface of certain Intel(R) Xeon(R) Scalable Processors, allowing an authorized user to cause a denial of service.
Understanding CVE-2019-11139
This CVE involves improper conditions checking in the voltage modulation interface of Intel(R) Xeon(R) Scalable Processors, potentially leading to a denial of service.
What is CVE-2019-11139?
CVE-2019-11139 is a vulnerability in the voltage modulation interface of specific Intel(R) Xeon(R) Scalable Processors. It arises due to inadequate conditions checking, enabling a local authorized user to exploit the vulnerability and trigger a denial of service.
The Impact of CVE-2019-11139
The vulnerability could be exploited by a privileged user with local access, resulting in a denial of service attack on the affected systems.
Technical Details of CVE-2019-11139
This section provides more in-depth technical details regarding the CVE.
Vulnerability Description
The vulnerability stems from improper conditions check in the voltage modulation interface for certain Intel(R) Xeon(R) Scalable Processors, potentially enabling a privileged user to initiate a denial of service attack through local access.
Affected Systems and Versions
- Product: 2019.2 IPU – Intel(R) Xeon(R) Scalable Processors Voltage Setting Modulation
- Versions: See provided reference
Exploitation Mechanism
The vulnerability can be exploited by an authorized user with local access due to improper conditions checking in the voltage modulation interface.
Mitigation and Prevention
To address CVE-2019-11139, follow these mitigation and prevention strategies:
Immediate Steps to Take
- Apply security updates provided by Intel and other relevant vendors promptly.
- Implement the necessary patches to fix the vulnerability.
Long-Term Security Practices
- Regularly monitor and update systems to ensure they are protected against known vulnerabilities.
- Enforce the principle of least privilege to restrict unauthorized access.
Patching and Updates
- Stay informed about security advisories and updates from Intel and other relevant vendors.
- Regularly check for and apply patches to mitigate potential risks.