CVE-2019-0157 : Vulnerability Insights and Analysis
Learn about CVE-2019-0157, a vulnerability in Intel(R) SGX driver for Linux allowing denial of service attacks. Find mitigation steps and preventive measures here.
An authenticated user with local access may be able to cause a denial of service in the Intel(R) SGX driver for Linux due to insufficient input validation.
Understanding CVE-2019-0157
Insufficient input validation in the Intel(R) SGX driver for Linux may allow an authenticated user to potentially enable a denial of service via local access.
What is CVE-2019-0157?
CVE-2019-0157 is a vulnerability in the Intel(R) SGX driver for Linux that could be exploited by an authenticated user with local access to trigger a denial of service due to inadequate input validation.
The Impact of CVE-2019-0157
The vulnerability could lead to a denial of service condition, potentially disrupting the normal operation of the affected systems and services.
Technical Details of CVE-2019-0157
The following technical details provide more insight into the CVE-2019-0157 vulnerability.
Vulnerability Description
The vulnerability arises from insufficient input validation in the Intel(R) SGX driver for Linux, allowing an authenticated user to exploit it for a denial of service attack.
Affected Systems and Versions
- Product: Intel(R) SGX for Linux
- Versions Affected: Intel(R) SGX Linux client driver before 2.5 and Intel(R) SGX DCAP Linux driver before 1.1
Exploitation Mechanism
The vulnerability can be exploited by an authenticated user with local access to the system, leveraging the lack of proper input validation to cause a denial of service.
Mitigation and Prevention
To address CVE-2019-0157 and enhance system security, consider the following mitigation strategies:
Immediate Steps to Take
- Apply the necessary patches provided by Intel to fix the vulnerability.
- Monitor system logs for any unusual activities that could indicate exploitation of the vulnerability.
Long-Term Security Practices
- Regularly update and patch the system to prevent known vulnerabilities from being exploited.
- Implement strong access controls to limit user privileges and reduce the risk of unauthorized access.
Patching and Updates
- Stay informed about security advisories from Intel and promptly apply relevant patches to secure the system against potential threats.