Privilege Escalation and Information Disclosure Vulnerability in Intel Microcode
Summary
UBUNTU-CVE-2019-14607: Improper conditions check in multiple Intel® Processors may allow an authenticated user to potentially enable partial escalation of privilege, denial of service and/or information disclosure via local access. Affects intel-microcode versions < 3.20191115.1ubuntu0.14.04.1. Fixed in 3.20191115.1ubuntu0.14.04.1. How to fix ↓
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Background
Intel Microcode is a crucial component that updates the internal instructions of Intel processors, ensuring optimal performance and security. It plays a vital role in maintaining system stability and security by addressing hardware-level issues. However, vulnerabilities in microcode can lead to severe security risks, including privilege escalation and information disclosure.
Vulnerability Detail
The vulnerability identified as CVE-2019-14607 arises from improper conditions checks in multiple Intel processors. This flaw may allow an authenticated user to potentially enable partial escalation of privilege, denial of service, and/or information disclosure via local access. The implications of this vulnerability can lead to unauthorized access to sensitive information and system instability, making it critical for users to address it promptly.
How To Fix
Minimum fixed version
3.20191115.1ubuntu0.14.04.1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade intel-microcodeTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, users can limit access to the affected systems and monitor for any unauthorized access attempts. Additionally, ensuring that only trusted users have access to the system can help mitigate the risks associated with this vulnerability.
Conclusion
The CVE-2019-14607 vulnerability in Intel Microcode poses significant risks, including privilege escalation and information disclosure. Users are strongly advised to update their systems to the patched versions to mitigate these risks. Regular monitoring and access control can also help in managing potential threats.
See every vulnerability recorded for intel-microcode →
FAQ
CVE-2019-14607 is a vulnerability in Intel Microcode that allows for potential privilege escalation and information disclosure.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
The consequences include potential unauthorized access to sensitive information, system instability, and denial of service.
Yes, patched versions of the Intel Microcode package are available for Ubuntu 14.04, 16.04, and 18.04 LTS.
The CVSS score of this vulnerability is 5.3, indicating a medium severity level.
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